| Year | Diet | Duration |
|---|---|---|
| 1991 | 120 | 10 Dec 1990 - 8 May 1991 |
| 121 | 5 Aug 1991 - 4 Oct 1991 | |
| 122 | 5 Nov 1991 - 21 Dec 1991 | |
| 1992 | 123 | 24 Jan 1992 - 21 Jun 1992 |
| 124 | 7 Aug 1992 - 11 Aug 1992 | |
| 125 | 30 Oct 1992 - 10 Dec 1992 | |
| 1993 | 126 | 22 Jan 1993 - 18 Jun 1993 |
| 127 | 5 Aug 1993 - 28 Aug 1993 | |
| 128 | 17 Sep 1993 - 29 Jan 1994 | |
| 1994 | 129 | 31 Jan 1994 - 29 Jun 1994 |
| 130 | 18 Jul 1994 - 22 Jul 1994 | |
| 131 | 30 Sep 1994 - 9 Dec 1994 | |
| 1995 | 132 | 20 Jan 1995 - 18 Jun 1995 |
| 133 | 4 Aug 1995 - 8 Aug 1995 | |
| 134 | 29 Sep 1995 - 15 Dec 1995 | |
| 1996 | 135 | 11 Jan 1996 - 13 Jan 1996 |
| 136 | 22 Jan 1996 - 19 Jun 1996 | |
| 137 | 27 Sep 1996 | |
| 138 | 7 Nov 1996 - 12 Nov 1996 | |
| 139 | 29 Nov 1996 - 18 Dec 1996 | |
| 1997 | 140 | 20 Jan 1997 - 18 Jun 1997 |
| 141 | 29 Sep 1997 - 12 Dec 1997 | |
| 1998 | 142 | 12 Jan 1998 - 18 Jun 1998 |
| 143 | 30 Jul 1998 - 16 Oct 1998 | |
| 144 | 27 Nov 1998 - 14 Dec 1998 | |
| 1999 | 145 | 19 Jan 1999 - 13 Aug 1999 |
| 146 | 29 Oct 1999 - 15 Dec 1999 | |
| 2000 | 147 | 20 Jan 2000 - 2 Jun 2000 |
| 148 | 4 Jul 2000 - 6 Jul 2000 | |
| 149 | 28 Jul 2000 - 9 Aug 2000 | |
| 150 | 21 Sep 2000 - 1 Dec 2000 | |
| 2001 | 151 | 31 Jan 2001 - 29 Jun 2001 |
| 152 | 7 Aug 2001 - 10 Aug 2001 | |
| 153 | 27 Sep 2001 - 7 Dec 2001 | |
| 2002 | 154 | 21 Jan 2002 - 31 Jul 2002 |
| 155 | 18 Oct 2002 - 13 Dec 2002 | |
| 2003 | 156 | 20 Jan 2003 - 28 Jul 2003 |
| 157 | 26 Sep 2003 - 10 Oct 2003 | |
| 158 | 19 Nov 2003 - 27 Nov 2003 | |
| 2004 | 159 | 19 Jan 2004 - 16 Jun 2004 |
| 160 | 30 Jul 2004 - 6 Aug 2004 | |
| 161 | 12 Oct 2004 - 3 Dec 2004 | |
| 2005 | 162 | 21 Jan 2005 - 8 Aug 2005 |
| 163 | 21 Sep 2005 - 1 Nov 2005 | |
| 2006 | 164 | 20 Jan 2006 - 18 Jun 2006 |
| 165 | 26 Sep 2006 - 19 Dec 2006 | |
| 2007 | 166 | 25 Jan 2007 - 5 Jul 2007 |
| 167 | 7 Aug 2007 - 10 Aug 2007 | |
| 168 | 10 Sep 2007 - 15 Jan 2008 | |
| 2008 | 169 | 18 Jan 2008 - 21 Jun 2008 |
| 170 | 24 Sep 2008 - 25 Dec 2008 | |
| 2009 | 171 | 5 Jan 2009 - 21 Jul 2009 |
| 172 | 16 Sep 2009 - 19 Sep 2009 | |
| 173 | 26 Oct 2009 - 4 Dec 2009 |
