| 180 (516 to 489) Texas USA 20(20) - 45(30) Oklahoma USA (814 to 848) 225: 30JUN2012 |
| 120 (571 to 543) Texas USA 17(17) - 29(14) Oklahoma USA (779 to 814) 150: 30JUN2011 |
| 120 (669 to 617) Texas USA 13(13) - 27(12) Oklahoma USA (713 to 779) 150: 30JUN2010 |
| 120 (684 to 614) Texas USA 16(16) - 32(17) Oklahoma USA (625 to 713) 150: 30JUN2008 |
| 120 (567 to 580) Texas USA 31(31) - 31(16) Oklahoma USA (641 to 625) 150: 30JUN2007 |
| 120 (499 to 598) Texas USA 17(17) - 15(0) Oklahoma USA (764 to 641) 150: 30JUN2006 |
| 180 (577 to 514) Texas USA 7(7) - 53(38) Oklahoma USA (685 to 764) 225: 30JUN2005 |
| 120 (501 to 604) Texas USA 40(40) - 25(10) Oklahoma USA (814 to 685) 150: 30JUN2004 |
| 120 (546 to 522) Texas USA 21(21) - 39(24) Oklahoma USA (784 to 814) 150: 30JUN2003 |
| 150 (438 to 579) Texas USA 28(28) - 22(7) Oklahoma USA (925 to 784) 150: 30JUN2002 |
| 150 (448 to 438) Texas USA 14(14) - 17(2) Oklahoma USA (915 to 925) 150: 30JUN2001 |
| 120 (456 to 448) Texas USA 11(11) - 24(9) Oklahoma USA (904 to 915) 150: 30JUN2000 |
| 180 (497 to 479) Texas USA 13(13) - 43(31) Oklahoma USA (882 to 904) 225: 30JUN1999 |
| 180 (634 to 589) Texas USA 7(7) - 28(16) Oklahoma USA (826 to 882) 225: 30JUN1998 |
| 225 (774 to 634) Texas USA 21(21) - 54(42) Oklahoma USA (686 to 826) 225: 30JUN1997 |
| 180 (792 to 884) Texas USA 36(36) - 12(0) Oklahoma USA (801 to 686) 225: 30JUN1996 |
| 120 (858 to 771) Texas USA 10(10) - 24(12) Oklahoma USA (693 to 801) 150: 30JUN1995 |
| 225 (698 to 858) Texas USA 39(39) - 19(7) Oklahoma USA (853 to 693) 225: 30JUN1994 |
| 150 (771 to 698) Texas USA 23(23) - 26(14) Oklahoma USA (780 to 853) 150: 30JUN1993 |
| 150 (649 to 771) Texas USA 24(24) - 19(7) Oklahoma USA (902 to 780) 150: 30AUG1992 |