| 2007 | 38427 | | 2006 | 38247 | | 2005 | 37989 | | 2004 | 37722 | | 2003 | 37501 | | 2002 | 37314 | | 2001 | 37079 | | 2000 | 37147 | | 1999 | 37134 | | 1998 | 37294 | | 1997 | 37318 | | 1996 | 37281 | | 1995 | 37445 | | 1994 | 37357 | | 1993 | 37304 | | 1992 | 37063 | | 1991 | 36994 |
| 
(top) |
| 2007 | 1245 | | 2006 | 1183 | | 2005 | 1054 | | 2004 | 945 | | 2003 | 920 | | 2002 | 874 | | 2001 | 778 | | 2000 | 846 | | 1999 | 718 | | 1998 | 693 | | 1997 | 663 | | 1996 | 638 | | 1995 | 667 | | 1994 | 633 | | 1993 | 581 | | 1992 | 567 | | 1991 | 536 |
| 
(top) |
| 2007 | 16330 | | 2006 | 16160 | | 2005 | 16011 | | 2004 | 15870 | | 2003 | 15682 | | 2002 | 15452 | | 2001 | 15193 | | 2000 | 15086 | | 1999 | 14960 | | 1998 | 14778 | | 1997 | 14702 |
| 
(top) |
| 2007 | 18947 | | 2006 | 18864 | | 2005 | 18755 | | 2004 | 18582 | | 2003 | 18465 | | 2002 | 18383 | | 2001 | 18246 | | 2000 | 18334 | | 1999 | 18335 | | 1998 | 18404 | | 1997 | 18414 | | 1996 | 18392 | | 1995 | 18483 | | 1994 | 18389 | | 1993 | 18391 | | 1992 | 18274 | | 1991 | 18246 |
| 
(top) |
| 2007 | 19480 | | 2006 | 19383 | | 2005 | 19234 | | 2004 | 19140 | | 2003 | 19036 | | 2002 | 18931 | | 2001 | 18833 | | 2000 | 18813 | | 1999 | 18799 | | 1998 | 18890 | | 1997 | 18904 | | 1996 | 18889 | | 1995 | 18962 | | 1994 | 18968 | | 1993 | 18913 | | 1992 | 18789 | | 1991 | 18748 |
| 
(top) |
