Tabel data
| 1980 | 10.623 | 1996 | 12.821 | 2012 | 26.439 |
| 1981 | 11.531 | 1997 | 12.950 | 2013 | 26.990 |
| 1982 | 11.699 | 1998 | 12.057 | 2014 | 26.452 |
| 1983 | 11.590 | 1999 | 12.729 | 2015 | 23.734 |
| 1984 | 11.638 | 2000 | 14.819 | 2016 | 23.800 |
| 1985 | 10.615 | 2001 | 14.485 | 2017 | 24.785 |
| 1986 | 8.023 | 2002 | 14.075 | 2018 | 26.324 |
| 1987 | 8.391 | 2003 | 15.102 | 2019 | 27.260 |
| 1988 | 10.011 | 2004 | 16.642 | 2020 | 24.343 |
| 1989 | 10.079 | 2005 | 18.730 | 2021 | 27.148 |
| 1990 | 10.612 | 2006 | 20.086 | 2022 | 30.471 |
| 1991 | 10.688 | 2007 | 21.797 | 2023 | 29.290 |
| 1992 | 10.985 | 2008 | 24.290 | 2024 | 29.716 |
| 1993 | 11.770 | 2009 | 20.292 | 2025 | 29.344 |
| 1994 | 12.278 | 2010 | 21.819 | 2026 | 29.569 |
| 1995 | 12.659 | 2011 | 25.033 | | |
Tabel data
| 1980 | 4.005 | 1996 | 4.821 | 2012 | 9.941 |
| 1981 | 4.336 | 1997 | 4.869 | 2013 | 10.148 |
| 1982 | 4.399 | 1998 | 4.534 | 2014 | 9.946 |
| 1983 | 4.358 | 1999 | 4.786 | 2015 | 8.924 |
| 1984 | 4.376 | 2000 | 5.572 | 2016 | 8.949 |
| 1985 | 3.991 | 2001 | 5.446 | 2017 | 9.319 |
| 1986 | 3.017 | 2002 | 5.292 | 2018 | 9.898 |
| 1987 | 3.155 | 2003 | 5.678 | 2019 | 10.250 |
| 1988 | 3.764 | 2004 | 6.258 | 2020 | 9.153 |
| 1989 | 3.790 | 2005 | 7.042 | 2021 | 10.208 |
| 1990 | 3.990 | 2006 | 7.552 | 2022 | 11.457 |
| 1991 | 4.019 | 2007 | 8.196 | 2023 | 11.013 |
| 1992 | 4.130 | 2008 | 9.133 | 2024 | 11.173 |
| 1993 | 4.426 | 2009 | 7.630 | 2025 | 11.033 |
| 1994 | 4.616 | 2010 | 8.204 | 2026 | 11.118 |
| 1995 | 4.760 | 2011 | 9.412 | | |
Tabel data
| 1980 | 8.196 | 1996 | 8.564 | 2012 | 8.821 |
| 1981 | 8.100 | 1997 | 8.537 | 2013 | 8.960 |
| 1982 | 8.317 | 1998 | 8.718 | 2014 | 8.910 |
| 1983 | 8.605 | 1999 | 8.998 | 2015 | 8.761 |
| 1984 | 8.673 | 2000 | 9.379 | 2016 | 8.755 |
| 1985 | 8.306 | 2001 | 9.268 | 2017 | 8.715 |
| 1986 | 8.062 | 2002 | 8.915 | 2018 | 8.882 |
| 1987 | 7.689 | 2003 | 8.807 | 2019 | 9.182 |
| 1988 | 7.864 | 2004 | 8.745 | 2020 | 8.707 |
| 1989 | 7.667 | 2005 | 8.653 | 2021 | 8.892 |
| 1990 | 7.867 | 2006 | 8.526 | 2022 | 9.315 |
| 1991 | 7.725 | 2007 | 8.532 | 2023 | 9.355 |
| 1992 | 8.141 | 2008 | 8.537 | 2024 | 9.556 |
| 1993 | 8.532 | 2009 | 8.198 | 2025 | 9.662 |
| 1994 | 8.578 | 2010 | 8.204 | 2026 | 9.428 |
| 1995 | 8.516 | 2011 | 8.597 | | |