| Date | Champion |
| 1st (1986.02.06) | |
| 2nd (1986.05.19) | |
| 3rd (1986.09.19) | |
| 4th (1987.08.20) | |
| 5th (1987.12.27) | |
| 6th (1988.05.27) | |
| 7th (1988.06.24) | |
| 8th (1989.03.16) | |
| 9th (1989.05.25) | |
| 10th (1989.08.10) | |
| 11th (1990.01.30) | |
| 12th (1990.08.19) | |
| 13th (1990.11.01) | |
| 14th (1991.04.30) | |
| 15th (1991.06.12) | |
| 16th (1991.08.09) | |
| 17th (1991.11.05) | |
| 18th (1992.02.08) | |
| 19th (1992.06.26) | |
| 20th (1992.11.22) | |
| 21st (1993.01.04) | |
| 22nd (1994.09.27) | |
| 23rd (1995.02.19) | |
| 24th (1995.05.03) | |
| 25th (1995.06.14) | |
| 26th (1996.01.04) | |
| 27th (1996.04.29) | |
| 28th (1996.10.11) | |
| 29th (1997.01.04) | |
| | Date | Champion |
| 30th (1997.07.06) | |
| 31st (1997.08.10) | |
| 32nd (1998.02.07) | |
| 33rd (1999.03.17) | |
| 34th (1999.08.28) | |
| 35th (1999.10.11) | |
| 36th (1999.11.29) | |
| 37th (1999.12.06) | |
| 38th (2000.07.20) | |
| 39th (2000.10.29) | |
| 40th (2001.07.20) | |
| 41st (2001.10.08) | |
| 42nd (2002.02.16) | |
| 43rd (2002.07.19) | |
| 44th (2003.04.23) | |
| 45th (2003.10.13) | |
| 46th (2003.12.14) | |
| 47th (2005.01.04) | |
| 48th (2005.10.08) | |
| 49th (2006.02.19) | |
| 50th (2006.05.03) | |
| 51st (2006.12.24) | |
| 52nd (2007.07.06) | |
| 53rd (2007.12.08) | |
| 54th (2008.07.08) | |
| 55th (2008.09.21) | |
| 56th (2009.01.04) | |
| 57th (2009.08.15) | |
|