| 2007 | 19357 | | 2006 | 19269 | | 2005 | 19234 | | 2004 | 19229 | | 2003 | 19221 | | 2002 | 19177 | | 2001 | 19115 | | 2000 | 19208 | | 1999 | 19241 | | 1998 | 19240 | | 1997 | 19365 | | 1996 | 19435 | | 1995 | 19384 | | 1994 | 19459 | | 1993 | 19377 | | 1992 | 19403 | | 1991 | 19339 |
| 
(top) |
| 2007 | 268 | | 2006 | 228 | | 2005 | 231 | | 2004 | 228 | | 2003 | 238 | | 2002 | 254 | | 2001 | 197 | | 2000 | 236 | | 1999 | 184 | | 1998 | 151 | | 1997 | 160 | | 1996 | 184 | | 1995 | 152 | | 1994 | 154 | | 1993 | 133 | | 1992 | 110 | | 1991 | 104 |
| 
(top) |
| 2007 | 7917 | | 2006 | 7807 | | 2005 | 7727 | | 2004 | 7649 | | 2003 | 7594 | | 2002 | 7533 | | 2001 | 7487 | | 2000 | 7436 | | 1999 | 7381 | | 1998 | 7331 | | 1997 | 7307 |
| 
(top) |
| 2007 | 9600 | | 2006 | 9510 | | 2005 | 9496 | | 2004 | 9501 | | 2003 | 9535 | | 2002 | 9491 | | 2001 | 9459 | | 2000 | 9513 | | 1999 | 9524 | | 1998 | 9515 | | 1997 | 9562 | | 1996 | 9597 | | 1995 | 9568 | | 1994 | 9609 | | 1993 | 9558 | | 1992 | 9606 | | 1991 | 9579 |
| 
(top) |
| 2007 | 9757 | | 2006 | 9759 | | 2005 | 9738 | | 2004 | 9728 | | 2003 | 9686 | | 2002 | 9686 | | 2001 | 9656 | | 2000 | 9695 | | 1999 | 9717 | | 1998 | 9725 | | 1997 | 9803 | | 1996 | 9838 | | 1995 | 9816 | | 1994 | 9850 | | 1993 | 9819 | | 1992 | 9797 | | 1991 | 9760 |
| 
(top) |
