| Date | Champion |
| 1st (1989.04.18) | |
| 2nd (1989.06.05) | |
| 3rd (1989.10.11) | |
| 4th (1990.06.05) | |
| 5th (1990.06.08) | |
| 6th (1990.07.17) | |
| 7th (1990.07.27) | |
| 8th (1991.01.19) | |
| 9th (1992.01.28) | |
| 10th (1992.08.22) | |
| 11th (1994.07.28) | |
| 12th (1994.10.22) | |
| 13th (1995.03.04) | |
| 14th (1995.05.26) | |
| 15th (1996.05.24) | |
| 16th (1996.07.24) | |
| 17th (1997.01.20) | |
| 18th (1998.05.01) | |
| 19th (1998.06.12) | |
| 20th (1998.10.31) | |
| | Date | Champion |
| 21st (1999.01.22) | |
| 22nd (1999.03.06) | |
| 23rd (1999.05.02) | |
| 24th (1999.10.30) | |
| 25th (2000.02.27) | |
| 26th (2000.10.28) | |
| 27th (2001.06.08) | |
| 28th (2002.02.24) | |
| 29th (2002.04.13) | |
| 30th (2002.10.27) | |
| 31st (2003.02.23) | |
| 32nd (2003.09.06) | |
| 33rd (2005.02.16) | |
| 34th (2006.07.03) | |
| 35th (2006.09.03) | |
| 36th (2007.08.26) | |
| 37th (2008.04.29) | |
| 38th (2008.09.28) | |
| 39th (2009.03.14) | |
| 40th (2009.09.26) | |
|