DATE RT531R Jan-86 11181 Feb-86 11258 Mar-86 11459 Apr-86 11508 May-86 11519 Jun-86 11621 Jul-86 11769 Aug-86 11834 Sep-86 11836 Oct-86 11766 Nov-86 11655 Dec-86 11723 Jan-87 11887 Feb-87 12181 Mar-87 12023 Apr-87 12251 May-87 12472 Jun-87 12365 Jul-87 12394 Aug-87 12516 Sep-87 12445 Oct-87 12534 Nov-87 12411 Dec-87 12611 Jan-88 12498 Feb-88 12297 Mar-88 12687 Apr-88 12736 May-88 12855 Jun-88 12847 Jul-88 12879 Aug-88 12924 Sep-88 13113 Oct-88 13280 Nov-88 13323 Dec-88 13382 Jan-89 13471 Feb-89 13055 Mar-89 13388 Apr-89 13555 May-89 13567 Jun-89 13675 Jul-89 13717 Aug-89 13743 Sep-89 14014 Oct-89 13915 Nov-89 13990 Dec-89 14079 Jan-90 14035 Feb-90 14127 Mar-90 14435 Apr-90 14048 May-90 13965 Jun-90 14394 Jul-90 14270 Aug-90 14281 Sep-90 14221 Oct-90 14197 Nov-90 14333 Dec-90 14280 Jan-91 14113 Feb-91 14413 Mar-91 14761 Apr-91 14761 May-91 14782 Jun-91 14569 Jul-91 14888 Aug-91 14988 Sep-91 14805 Oct-91 14863 Nov-91 15045 Dec-91 15046 Jan-92 15358 Feb-92 15666 Mar-92 15421 Apr-92 15433 May-92 15636 Jun-92 15607 Jul-92 15681 Aug-92 15936 Sep-92 16017 Oct-92 16188 Nov-92 16242 Dec-92 16382 Jan-93 16612 Feb-93 16425 Mar-93 16067 Apr-93 16669 May-93 16814 Jun-93 16847 Jul-93 17132 Aug-93 17162 Sep-93 17377 Oct-93 17616 Nov-93 17470 Dec-93 17637 Jan-94 17752 Feb-94 18040 Mar-94 18304 Apr-94 18161 May-94 18076 Jun-94 18464 Jul-94 18486 Aug-94 18718 Sep-94 18724 Oct-94 19016 Nov-94 19008 Dec-94 19064 Jan-95 19409 Feb-95 19229 Mar-95 19324 Apr-95 19344 May-95 19485 Jun-95 19656 Jul-95 19766 Aug-95 19614 Sep-95 19776 Oct-95 19531 Nov-95 19795 Dec-95 19685