| 2006 | 18227931 | | 2005 | 18053801 | | 2004 | 18075020 | | 2003 | 17129024 | | 2002 | 17162870 | | 2001 | 18121060 | | 2000 | 18190918 | | 1999 | 18637160 | | 1998 | 18225806 | | 1997 | 17968358 | | 1996 | 15845550 | | 1995 | 15805780 |
| 
(top) |
| 2006 | 12856620 | | 2005 | 12471618 | | 2004 | 12569595 | | 2003 | 11477577 | | 2002 | 10650316 | | 2001 | 11058384 | | 2000 | 10508191 | | 1999 | 10488348 | | 1998 | 9482177 | | 1997 | 8799885 | | 1996 | 6710538 | | 1995 | 6085230 |
| 
(top) |
| 2006 | 5371311 | | 2005 | 5582183 | | 2004 | 5505425 | | 2003 | 5651448 | | 2002 | 6512556 | | 2001 | 7062674 | | 2000 | 7682726 | | 1999 | 8148812 | | 1998 | 8743627 | | 1997 | 9168472 | | 1996 | 9135012 | | 1995 | 9720550 |
| 
(top) |
| 2006 | 107 | | 2005 | 153 | | 2004 | 92 | | 2003 | 118 | | 2002 | 118 | | 2001 | 144 | | 2000 | 126 |
| 
(top) |
