| 2007 | 23300 | | 2006 | 23044 | | 2005 | 22889 | | 2004 | 22838 | | 2003 | 22687 | | 2002 | 22622 | | 2001 | 22556 | | 2000 | 22508 | | 1999 | 22511 | | 1998 | 22423 | | 1997 | 22457 | | 1996 | 22340 | | 1995 | 22289 | | 1994 | 22192 | | 1993 | 22178 | | 1992 | 22179 | | 1991 | 22146 |
|  (top) |
| 2007 | 919 | | 2006 | 862 | | 2005 | 836 | | 2004 | 836 | | 2003 | 819 | | 2002 | 741 | | 2001 | 797 | | 2000 | 1145 | | 1999 | 1169 | | 1998 | 1156 | | 1997 | 1224 | | 1996 | 1205 | | 1995 | 1206 | | 1994 | 1166 | | 1993 | 1087 | | 1992 | 1019 | | 1991 | 982 |
|  (top) |
| 2007 | 9711 | | 2006 | 9608 | | 2005 | 9545 | | 2004 | 9473 | | 2003 | 9428 | | 2002 | 9340 | | 2001 | 9314 | | 2000 | 9207 | | 1999 | 9162 | | 1998 | 9115 | | 1997 | 9052 |
|  (top) |
| 2007 | 11387 | | 2006 | 11265 | | 2005 | 11188 | | 2004 | 11165 | | 2003 | 11067 | | 2002 | 11002 | | 2001 | 10987 | | 2000 | 10990 | | 1999 | 10994 | | 1998 | 10963 | | 1997 | 10982 | | 1996 | 10923 | | 1995 | 10940 | | 1994 | 10913 | | 1993 | 10888 | | 1992 | 10938 | | 1991 | 10924 |
|  (top) |
| 2007 | 11913 | | 2006 | 11779 | | 2005 | 11701 | | 2004 | 11673 | | 2003 | 11620 | | 2002 | 11620 | | 2001 | 11569 | | 2000 | 11518 | | 1999 | 11517 | | 1998 | 11460 | | 1997 | 11475 | | 1996 | 11417 | | 1995 | 11349 | | 1994 | 11279 | | 1993 | 11290 | | 1992 | 11241 | | 1991 | 11222 |
|  (top) |