| 2007 | 32083 | | 2006 | 31835 | | 2005 | 31746 | | 2004 | 31782 | | 2003 | 31534 | | 2002 | 31423 | | 2001 | 31501 | | 2000 | 31479 | | 1999 | 31481 | | 1998 | 31488 | | 1997 | 31662 | | 1996 | 31634 | | 1995 | 31612 | | 1994 | 31637 | | 1993 | 31657 | | 1992 | 31566 | | 1991 | 31567 |
| 
(top) |
| 2007 | 792 | | 2006 | 727 | | 2005 | 637 | | 2004 | 666 | | 2003 | 647 | | 2002 | 619 | | 2001 | 587 | | 2000 | 580 | | 1999 | 566 | | 1998 | 549 | | 1997 | 536 | | 1996 | 509 | | 1995 | 496 | | 1994 | 484 | | 1993 | 470 | | 1992 | 460 | | 1991 | 466 |
| 
(top) |
| 2007 | 14666 | | 2006 | 14550 | | 2005 | 14515 | | 2004 | 14540 | | 2003 | 14339 | | 2002 | 14359 | | 2001 | 14411 | | 2000 | 14452 | | 1999 | 14562 | | 1998 | 14720 | | 1997 | 14891 |
| 
(top) |
| 2007 | 15525 | | 2006 | 15410 | | 2005 | 15376 | | 2004 | 15404 | | 2003 | 15267 | | 2002 | 15220 | | 2001 | 15230 | | 2000 | 15246 | | 1999 | 15201 | | 1998 | 15219 | | 1997 | 15312 | | 1996 | 15298 | | 1995 | 15291 | | 1994 | 15364 | | 1993 | 15379 | | 1992 | 15347 | | 1991 | 15390 |
| 
(top) |
| 2007 | 16558 | | 2006 | 16425 | | 2005 | 16370 | | 2004 | 16378 | | 2003 | 16267 | | 2002 | 16203 | | 2001 | 16271 | | 2000 | 16233 | | 1999 | 16280 | | 1998 | 16269 | | 1997 | 16350 | | 1996 | 16336 | | 1995 | 16321 | | 1994 | 16273 | | 1993 | 16278 | | 1992 | 16219 | | 1991 | 16177 |
| 
(top) |
