Month | Type 304 | Type 316L | Type 201 | Feb 19 | .5678 | .8228 | .4369 | January 2019 | .5697 | .8389 | .4426 | Dec 18 | .6303 | .9018 | .4737 | Nov 18 | .6666 | .9460 | .5021 | Oct 18 | .6678 | .9537 | .5007 | Sept 18 | .7376 | 1.0291 | .5509 | Aug 18 | .7699 | 1.0378 | .5697 | Jul 18 | .8048 | 1.0930 | .5899 | Jun 18 | .7524 | 1.0445 | .5600 | May 18 | .7334 | 1.0288 | .5498 | Apr 18 | .7290 | 1.0358 | .5462 | Mar 18 | .6502 | .9460 | .4760 | Feb 18 | .6066 | .8643 | .4515 | Jan 2018 | .5511 | .7460 | .4205 | Dec 17 | .6191 | .8054 | .4694 | Nov 17 | .5731 | .7485 | .4491 | Oct 17 | .6136 | .7982 | .4746 | Sep 17 | .4948 | .6627 | .3900 | Aug 17 | .4446 | .5777 | .3619 | Jul 17 | .4325 | .5689 | .3541 | Jun 17 | .5403 | .6921 | .4432 | May 17 | .5687 | .7390 | .4573 | Apr 17 | .6016 | .7608 | .4765 | Mar 17 | .5933 | .7335 | .4725 | Feb 17 | .5955 | .7235 | .4745 | Jan 2017 | .6285 | .7570 | .4764 | Dec 16 | .4698 | .6058 | .3304 | Nov 16 | .4418 | .5800 | .3050 | Oct 16 | .3948 | .5433 | .2707 | Sept 16 | .4298 | .5819 | .2930 | Aug 16 | .4010 | .5427 | .2805 | Jul 16 | .3536 | .5090 | .2568 | Jun 16 | .3668 | .4918 | .2632 | May 16 | .3433 | .4333 | .2467 | Apr 16 | .3315 | .4190 | .2318 | Mar 16 | .3195 | .4003 | .2267 | Feb 16 | .3321 | .4155 | .2365 | Jan 2016 | .3352 | .4112 | .2357 | Dec 15 | .3893 | .4723 | .2665 | Nov 15 | .4148 | .5113 | .2840 | Oct 15 | .4244 | .5317 | .2991 | Sep 15 | .4720 | .5939 | .3262 | Aug 15 | .5204 | .6546 | .3538 | Jul 15 | .5716 | .7500 | .3840 | Jun 15 | .5911 | .7848 | .3895 | May 15 | .5659 | .7649 | .3789 | Apr. 15 | .6134 | .8202 | .4064 | Mar. 15 | .6523 | .8806 | .4751 | Feb. 15 | .7038 | .9449 | .4751 | Jan 2015 | .7607 | 1.0127 | .5034 | Dec 14 | .7216 | .9738 | .4840 | Nov 14 | .7818 | 1.0626 | .5207 | Oct 14 | .8845 | 1.2479 | .5757 | Sep 14 | .8858 | 1.2614 | .5759 | Aug 14 | .8979 | 1.2789 | .5820 | Jul 14 | .8914 | 1.3088 | .5784 | Jun 14 | .8967 | 1.2857 | .5804 | May 14 | .7858 | 1.1051 | .5244 | Apr 14 | .7194 | .9803 | .4889 | Mar 14 | .6776 | .9318 | .4667 | Feb 14 | .6677 | .9156 | .4600 | Jan 14 | .6461 | .8886 | .4447 | Dec 13 | .6626 | .9110 | .4523 | Nov 13 | .6391 | .8757 | .4363 | Oct 13 | .6389 | .8802 | .4347 | Sep 13 | .6519 | .8907 | .4441 | Aug 13 | .6355 | .8821 | .4378 | Jul 13 | .6641 | .9447 | .4458 | Jun 13 | .6851 | .9760 | .4579 | May 13 | .7406 | 1.0407 | .4906 | Apr 13 | .7689 | 1.0795 | .5089 | Mar 13 | .8104 | 1.1432 | .5212 | Feb 13 | .7846 | 1.1193 | .5097 | Jan 2013 | .7751 | 1.0945 | .5097 | Dec 2012 | .7299 | 1.0307 | .4856 | Nov 12 | .7928 | 1.1163 | .5097 | Oct 12 | .7642 | 1.0854 | .5094 | Sep 12 | .7362 | 1.0396 | .5026 | Aug 12 | .7559 | 1.0982 | .5057 | Jul 12 | .7971 | 1.1601 | .5390 | Jun 12 | .8495 | 1.2317 | .5770 | May 12 | .8743 | 1.2674 | .5898 | Apr 12 | .9386 | 1.3550 | .6228 | Mar 12 | .9947 | 1.4236 | .6438 | Feb 12 | .9267 | 1.3208 | .6136 | Jan. 2012 | .8633 | 1.2378 | .5841 | Dec 11 | .8883 | 1.2607 | .5923 | Nov 11 | .9095 | 1.3053 | .6115 | Oct 11 | 1.0352 | 1.4720 | .6796 | Sep 11 | 1.1429 | 1.6095 | .7342 | Aug 11 | 1.0923 | 1.5749 | .7141 | Jul 11 | 1.1792 | 1.8254 | .7555 | Jun 11 | 1.2757 | 1.8254 | .8059 | May 11 | 1.3034 | 1.8562 | .8226 | Apr 11 | 1.3602 | 1.9470 | .8487 | Mar 11 | 1.2497 | 1.7937 | .7955 | Feb 11 | 1.1631 | 1.6682 | .7432 | Jan 2011 | 1.0996 | 1.5882 | .7066 | Dec 10 | 1.1293 | 1.6088 | .7172 | Nov 10 | 1.0853 | 1.5595 | .6994 | Oct 10 | 1.0160 | 1.4764 | .6575 | Sep 10 | .9398 | 1.3468 | .6220 | Aug 10 | .9619 | 1.3777 | .6724 | Jul 10 | 1.0834 | 1.5790 | .7468 | Jun 10 | 1.2745 | 1.8328 | .8594 | May 10 | 1.1013 | 1.6179 | .7573 | Apr 10 | .9115 | 1.3644 | .6338 | Mar 10 | .8368 | 1.2473 | .5712 | Feb 10 | .7319 | 1.0561 | .4984 | Jan 2010 | .7050 | 1.0207 | .4778 | Nov 09 | .7562 | 1.1568 | .5154 | Oct 09 | .8342 | 1.3315 | .5393 | Sept 09 | .6637 | 1.0090 | .4369 | Aug 09 | .5800 | .8602 | .3715 | Jul 09 | .4696 | .7053 | .3089 | Jun 09 | .3767 | .5626 | .2485 | May 09 | .3377 | .5152 | .2518 | Apr 09 | .3840 | .5777 | .2865 | Mar 09 | .4378 | .6526 | .3243 | Feb 09 | .4125 | .6112 | .3345 | Jan 2009 | .5352 | .7431 | .4537 | Dec 08 | .7143 | 1.3166 | .6210 | Nov 08 | 1.1223 | 1.9400 | .9222 | Oct 08 | 1.2950 | 2.1414 | 1.0764 | Sept 08 | 1.4169 | 2.2686 | 1.1712 | Aug 08 | 1.4846 | 2.3545 | 1.1937 | Jul 08 | 1.5951 | 2.4842 | 1.2383 | Jun 08 | 1.6776 | 2.6053 | 1.2574 | May 08 | 1.6931 | 2.6657 | 1.2120 | Apr 08 | 1.4754 | 2.4186 | 1.0433 | Mar 08 | 1.4137 | 2.3516 | .9787 | Feb 08 | 1.3008 | 2.2064 | .8944 | Jan 2008 | 1.4801 | 2.4517 | .9763 | Dec 07 | 1.4617 | 2.4159 | .9469 | Nov 07 | 1.3632 | 2.2981 | .8807 | Oct 07 | 1.2664 | 2.1844 | .8235 | Sep 07 | 1.5329 | 2.5080 | .9783 | Aug 07 | 1.8926 | 2.9864 | 1.1707 | Jul 07 | 2.2838 | 3.4734 | 1.3315 | Jun 07 | 2.2098 | 3.2930 | 1.2887 | May 07 | 2.0128 | 3.0543 | 1.1733 | Apr 07 | 1.7421 | 2.6703 | 1.0079 | Mar 07 | 1.5248 | 2.3962 | .8784 | Feb 07 | 1.4254 | 2.2681 | .8198 | Jan 2007 | 1.3141 | 2.1488 | .7591 | Dec 06 | 1.3375 | 2.1799 | | Nov 06 | 1.2285 | 2.0793 | | Oct 06 | 1.2571 | 2.1077 | | Sept 06 | 1.0952 | 1.8479 | | Aug 06 | .8444 | 1.5454 | | Jul 06 | .8546 | 1.5679 | | Jun 06 | .7098 | 1.3276 | | May 06 | .5656 | 1.1485 | | Apr 06 | .5736 | 1.1556 | | Mar 06 | .5544 | 1.1050 | | Feb 06 | .5118 | 1.1550 | | Jan 2006 | .4792 | 1.2064 | | Dec 05 | .4794 | 1.2367 | | Nov 05 | .5628 | 1.3679 | | Oct 05 | .5518 | 1.2677 | | Sep 05 | .5290 | 1.2642 | | Aug 05 | .5998 | 1.5053 | | Jul 05 | .6580 | 1.5787 | | Jun 05 | .6429 | 1.4555 | | May 05 | .6314 | 1.4727 | | Apr 05 | .6052 | 1.2918 | | Mar 05 | .5870 | 1.3602 | | Feb 05 | 0.5672 | 1.3137 | | Jan 2005 | 0.5861 | 1.1846 | | Dec 04 | 0.5957 | 1.1264 | | Nov 04 | 0.5861 | 0.9844 | | Oct 04 | 0.5616 | 0.9921 | | Sep 04 | 0.6065 | 0.9855 | | Aug 04 | 0.5167 | 0.8986 | | Jul 04 | 0.4071 | 0.7033 | | Jun 04 | 0.4884 | 0.8355 | | May 04 | 0.5320 | 0.7695 | | Apr 04 | 0.5671 | 0.7795 | | Mar 04 | 0.5521 | 0.7798 | | Feb 04 | 0.4651 | 0.6648 | | Jan 2004 | 0.3626 | 0.5109 | | Dec 03 | 0.3168 | 0.4526 | | Nov 03 | 0.2680 | 0.3970 | | Oct 03 | 0.2413 | 0.3552 | | Sep 03 | 0.2156 | 0.3109 | | Aug 03 | 0.2159 | 0.3498 | | Jul 03 | 0.1851 | 0.2804 | | Jun 03 | 0.1871 | 0.2377 | | May 03 | 0.1815 | 0.2608 | | Apr 03 | 0.1871 | 0.2525 | | Mar 03 | 0.1577 | 0.2101 | | Feb 03 | 0.1214 | 0.1556 | | Jan 2003 | 0.1266 | 0.1583 | | Dec 02 | 0.1045 | 0.1421 | | Nov 02 | 0.0973 | 0.1564 | | Oct 02 | 0.1006 | 0.1551 | | Sep 02 | 0.1192 | 0.1898 | | Aug 02 | 0.1182 | 0.2275 | | Jul 02 | 0.1026 | 0.1352 | | Jun 02 | 0.1111 | 0.1389 | | May 02 | 0.0928 | 0.1160 | | Apr 02 | 0.0707 | 0.0884 | | | 0.0713 | 0.0892 | | Feb 02 | 0.0374 | 0.0467 | | Jan 2002 | 0.0293 | 0.0366 | | Dec 01 | 0.0182 | 0.0228 | | Nov 01 | 0.0271 | 0.0338 | | Oct 01 | 0.0486 | 0.0607 | | Sep 01 | 0.0666 | 0.0833 | | Aug 01 | 0.0973 | 0.1217 | | Jul 01 | 0.1157 | 0.1446 | | Jun 01 | 0.0838 | 0.1048 | | May 01 | 0.0753 | 0.0941 | | Apr 01 | 0.0923 | 0.1153 | | Mar 01 | 0.1152 | 0.1431 | | Feb 01 | 0.1335 | 0.1664 | | Jan 2001 | 0.1357 | 0.1667 | | Dec 00 | 0.1512 | 0.1859 | | Nov 00 | 0.1947 | 0.2397 | | Oct 00 | 0.1688 | 0.2067 | | Sep 00 | 0.1767 | 0.2161 | | Aug 00 | 0.1874 | 0.2295 | | Jul 00 | 0.2630 | 0.3238 | | Jun 00 | 0.2452 | 0.3017 | | May 00 | 0.2691 | 0.3316 | | Apr 00 | 0.2404 | 0.2961 | | |
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