| | Dec 21, 2010 | Jun 30, 2011 | 191 days | 7 | 0.14 |
| | Sep 2, 2010 | Dec 17, 2010 | 106 days | 15 | 0.20 |
| | Jan 22, 2010 | Jun 30, 2010 | 159 days | 0 | - |
| | Dec 3, 2009 | Jan 22, 2010 | 50 days | 0 | - |
| | Aug 27, 2009 | Nov 9, 2009 | 74 days | 0 | - |
| | Apr 9, 2009 | Jul 8, 2009 | 90 days | 0 | - |
| | Sep 26, 2008 | Apr 8, 2009 | 194 days | 0 | - |
| | Aug 29, 2008 | Sep 26, 2008 | 28 days | 0 | - |
| | Aug 16, 2007 | Jun 30, 2008 | 319 days | 0 | - |
| | Feb 8, 2007 | Apr 4, 2007 | 55 days | 0 | - |
| | Oct 9, 2006 | Feb 8, 2007 | 122 days | 0 | - |
| | Aug 10, 2006 | Oct 3, 2006 | 54 days | 1 | 0.00 |
| | Feb 3, 2006 | Jun 30, 2006 | 147 days | 0 | - |
| | Jan 7, 2005 | Jun 30, 2005 | 174 days | 0 | - |
| | Oct 26, 2004 | Jan 6, 2005 | 72 days | 0 | - |
| | Aug 29, 2003 | Mar 25, 2004 | 209 days | 0 | - |
| | Nov 25, 2002 | Jun 30, 2003 | 217 days | 0 | - |
| | Jan 5, 2002 | Jun 30, 2002 | 176 days | 0 | - |
| | Feb 22, 2001 | Sep 28, 2001 | 218 days | 0 | - |
| | Jun 15, 2000 | Dec 11, 2000 | 179 days | 0 | - |
| | Jul 2, 1999 | Jan 11, 2000 | 193 days | 2 | 1.50 |
| | Jul 22, 1998 | Sep 14, 1998 | 54 days | 1 | 3.00 |
| | May 7, 1998 | Jun 30, 1998 | 54 days | 0 | - |
| | Oct 8, 1996 | May 6, 1998 | 575 days | 27 | 0.37 |
| | Feb 6, 1996 | Oct 8, 1996 | 245 days | 8 | 0.13 |
| | Oct 13, 1995 | Feb 6, 1996 | 116 days | 1 | 0.00 |
| | Aug 17, 1995 | Oct 12, 1995 | 56 days | 0 | - |
| | May 7, 1995 | Jun 30, 1995 | 54 days | 2 | 0.50 |
| | Jan 16, 1995 | May 7, 1995 | 111 days | 14 | 1.00 |
| | Oct 26, 1994 | Jan 9, 1995 | 75 days | 8 | 0.63 |
| | Jul 1, 1994 | Oct 25, 1994 | 116 days | 10 | 1.00 |
| | Mar 31, 1994 | Jun 30, 1994 | 91 days | 7 | 1.43 |
| | Jan 18, 1993 | Mar 24, 1994 | 430 days | 23 | 0.87 |
| | Aug 6, 1992 | Jan 12, 1993 | 159 days | 3 | 2.00 |
| | Jan 23, 1992 | Jun 30, 1992 | 159 days | 0 | - |
| | Jul 1, 1991 | Nov 12, 1991 | 134 days | 3 | 2.00 |
|
| Feb 19, 1991 | Jun 30, 1992 | 497 days | 12 | 1.25 |
| | Jan 3, 1991 | Feb 19, 1991 | 47 days | 3 | 1.00 |
| | Nov 30, 1990 | Dec 18, 1990 | 18 days | 4 | 1.75 |
| | Jul 1, 1990 | Oct 21, 1990 | 112 days | 8 | 0.75 |
| | Jan 19, 1990 | Mar 2, 1990 | 42 days | 5 | 0.40 |
|
| Dec 28, 1989 | Jan 19, 1990 | 22 days | 3 | 2.33 |
| | Jul 1, 1989 | Dec 28, 1989 | 180 days | 14 | 1.00 |
| | Jul 1, 1987 | Jun 30, 1989 | 730 days | 2 | 1.50 |
| | Jul 1, 1986 | Jun 30, 1987 | 364 days | 0 | - |