Datentabelle
| 1957 | 62,7 Mio. | 1980 | 1,04 Mrd. | 2003 | 2,88 Mrd. |
| 1958 | 65 Mio. | 1981 | 1,45 Mrd. | 2004 | 2,82 Mrd. |
| 1959 | 55,5 Mio. | 1982 | 1,44 Mrd. | 2005 | 3,12 Mrd. |
| 1960 | 51,3 Mio. | 1983 | 1,34 Mrd. | 2006 | 3,27 Mrd. |
| 1961 | 42,5 Mio. | 1984 | 1,27 Mrd. | 2007 | 3,97 Mrd. |
| 1962 | 43,8 Mio. | 1985 | 1,08 Mrd. | 2008 | 4,41 Mrd. |
| 1963 | 60,8 Mio. | 1986 | 894 Mio. | 2009 | 3,96 Mrd. |
| 1964 | 84,6 Mio. | 1987 | 1,33 Mrd. | 2010 | 3,85 Mrd. |
| 1965 | 119 Mio. | 1988 | 856 Mio. | 2011 | 4,69 Mrd. |
| 1966 | 149 Mio. | 1989 | 1,02 Mrd. | 2012 | 4,51 Mrd. |
| 1967 | 143 Mio. | 1990 | 1,13 Mrd. | 2013 | 4,92 Mrd. |
| 1968 | 148 Mio. | 1991 | 1,57 Mrd. | 2014 | 4,92 Mrd. |
| 1969 | 144 Mio. | 1992 | 1,77 Mrd. | 2015 | 4,53 Mrd. |
| 1970 | 200 Mio. | 1993 | 1,92 Mrd. | 2016 | 4,17 Mrd. |
| 1971 | 228 Mio. | 1994 | 2,12 Mrd. | 2017 | 3,49 Mrd. |
| 1972 | 251 Mio. | 1995 | 2,44 Mrd. | 2018 | 3,45 Mrd. |
| 1973 | 297 Mio. | 1996 | 2,42 Mrd. | 2019 | 3,27 Mrd. |
| 1974 | 397 Mio. | 1997 | 2,09 Mrd. | 2020 | 3,37 Mrd. |
| 1975 | 441 Mio. | 1998 | 1,16 Mrd. | 2021 | 3,68 Mrd. |
| 1976 | 440 Mio. | 1999 | 1,66 Mrd. | 2022 | 3,67 Mrd. |
| 1977 | 638 Mio. | 2000 | 1,53 Mrd. | 2023 | 3,93 Mrd. |
| 1978 | 607 Mio. | 2001 | 1,93 Mrd. | 2024 | 4,38 Mrd. |
| 1979 | 779 Mio. | 2002 | 2,24 Mrd. | 2025 | 4,93 Mrd. |
Datentabelle
| 1957 | 3,7% | 1980 | 4,2% | 2003 | 2,6% |
| 1958 | 4,1% | 1981 | 5,8% | 2004 | 2,3% |
| 1959 | 3,1% | 1982 | 5,4% | 2005 | 2,2% |
| 1960 | 2,7% | 1983 | 4,4% | 2006 | 2% |
| 1961 | 2,2% | 1984 | 3,8% | 2007 | 2% |
| 1962 | 2,2% | 1985 | 3,5% | 2008 | 1,8% |
| 1963 | 2,4% | 1986 | 3,2% | 2009 | 1,9% |
| 1964 | 3,2% | 1987 | 4,1% | 2010 | 1,5% |
| 1965 | 4% | 1988 | 2,4% | 2011 | 1,6% |
| 1966 | 4,7% | 1989 | 2,6% | 2012 | 1,4% |
| 1967 | 4,5% | 1990 | 2,6% | 2013 | 1,5% |
| 1968 | 4,5% | 1991 | 3,2% | 2014 | 1,5% |
| 1969 | 3,9% | 1992 | 3% | 2015 | 1,5% |
| 1970 | 5,2% | 1993 | 2,9% | 2016 | 1,4% |
| 1971 | 5,4% | 1994 | 2,8% | 2017 | 1,1% |
| 1972 | 5% | 1995 | 2,8% | 2018 | 1% |
| 1973 | 3,9% | 1996 | 2,4% | 2019 | 0,9% |
| 1974 | 4,2% | 1997 | 2,1% | 2020 | 1% |
| 1975 | 4,7% | 1998 | 1,6% | 2021 | 1% |
| 1976 | 4% | 1999 | 2,1% | 2022 | 0,9% |
| 1977 | 4,9% | 2000 | 1,6% | 2023 | 1% |
| 1978 | 3,7% | 2001 | 2,1% | 2024 | 1% |
| 1979 | 3,7% | 2002 | 2,2% | 2025 | 1% |