Veri tablosu
| 1980 | 1.422 | 1991 | 972 | 2002 | 1.305 |
| 1981 | 1.763 | 1992 | 984 | 2003 | 1.209 |
| 1982 | 1.785 | 1993 | 995 | 2004 | 1.361 |
| 1983 | 1.849 | 1994 | 1.061 | 2005 | 1.510 |
| 1984 | 1.840 | 1995 | 1.133 | 2006 | 1.726 |
| 1985 | 1.965 | 1996 | 1.186 | 2007 | 2.016 |
| 1986 | 2.284 | 1997 | 1.081 | 2008 | 2.557 |
| 1987 | 2.823 | 1998 | 1.028 | 2009 | 2.557 |
| 1988 | 1.390 | 1999 | 1.043 | 2010 | 2.807 |
| 1989 | 801 | 2000 | 1.203 | | |
| 1990 | 967 | 2001 | 1.237 | | |
Veri tablosu
| 1980 | 5.616 | 1991 | 23.779 | 2002 | 64.118 |
| 1981 | 6.965 | 1992 | 27.560 | 2003 | 59.836 |
| 1982 | 7.049 | 1993 | 29.842 | 2004 | 68.437 |
| 1983 | 7.268 | 1994 | 35.539 | 2005 | 78.783 |
| 1984 | 7.231 | 1995 | 39.080 | 2006 | 88.099 |
| 1985 | 7.723 | 1996 | 46.139 | 2007 | 100.626 |
| 1986 | 8.976 | 1997 | 48.623 | 2008 | 118.946 |
| 1987 | 11.095 | 1998 | 50.341 | 2009 | 119.509 |
| 1988 | 15.636 | 1999 | 50.905 | 2010 | 130.501 |
| 1989 | 16.986 | 2000 | 57.364 | | |
| 1990 | 21.093 | 2001 | 59.558 | | |
Veri tablosu
| 1980 | 50.854 | 1991 | 50.140 | 2002 | 59.633 |
| 1981 | 53.319 | 1992 | 55.172 | 2003 | 56.747 |
| 1982 | 52.932 | 1993 | 57.634 | 2004 | 58.829 |
| 1983 | 52.047 | 1994 | 59.218 | 2005 | 60.493 |
| 1984 | 47.096 | 1995 | 60.850 | 2006 | 62.006 |
| 1985 | 48.860 | 1996 | 61.136 | 2007 | 63.937 |
| 1986 | 45.044 | 1997 | 59.048 | 2008 | 65.181 |
| 1987 | 44.111 | 1998 | 60.867 | 2009 | 67.363 |
| 1988 | 48.100 | 1999 | 57.542 | 2010 | 68.701 |
| 1989 | 43.717 | 2000 | 57.364 | | |
| 1990 | 46.640 | 2001 | 57.898 | | |