| 2007 | 31543 | | 2006 | 31380 | | 2005 | 31089 | | 2004 | 30922 | | 2003 | 30859 | | 2002 | 30879 | | 2001 | 30911 | | 2000 | 30945 | | 1999 | 30825 | | 1998 | 30777 | | 1997 | 30681 | | 1996 | 30680 | | 1995 | 30555 | | 1994 | 30541 | | 1993 | 30524 | | 1992 | 30421 | | 1991 | 30280 |
| 
(top) |
| 2007 | 743 | | 2006 | 649 | | 2005 | 545 | | 2004 | 514 | | 2003 | 465 | | 2002 | 418 | | 2001 | 381 | | 2000 | 418 | | 1999 | 409 | | 1998 | 404 | | 1997 | 403 | | 1996 | 396 | | 1995 | 366 | | 1994 | 348 | | 1993 | 309 | | 1992 | 272 | | 1991 | 224 |
| 
(top) |
| 2007 | 13213 | | 2006 | 13100 | | 2005 | 12999 | | 2004 | 12911 | | 2003 | 12831 | | 2002 | 12721 | | 2001 | 12635 | | 2000 | 12549 | | 1999 | 12420 | | 1998 | 12289 | | 1997 | 12173 |
| 
(top) |
| 2007 | 15588 | | 2006 | 15515 | | 2005 | 15322 | | 2004 | 15217 | | 2003 | 15200 | | 2002 | 15219 | | 2001 | 15228 | | 2000 | 15226 | | 1999 | 15183 | | 1998 | 15145 | | 1997 | 15117 | | 1996 | 15112 | | 1995 | 15049 | | 1994 | 15034 | | 1993 | 15023 | | 1992 | 14955 | | 1991 | 14881 |
| 
(top) |
| 2007 | 15955 | | 2006 | 15865 | | 2005 | 15767 | | 2004 | 15705 | | 2003 | 15659 | | 2002 | 15660 | | 2001 | 15683 | | 2000 | 15719 | | 1999 | 15642 | | 1998 | 15632 | | 1997 | 15564 | | 1996 | 15568 | | 1995 | 15506 | | 1994 | 15507 | | 1993 | 15501 | | 1992 | 15466 | | 1991 | 15399 |
| 
(top) |
