Datentabelle
| 1957 | 75,6 Mio. | 1980 | 1,37 Mrd. | 2003 | 1,88 Mrd. |
| 1958 | 70,2 Mio. | 1981 | 1,42 Mrd. | 2004 | 1,95 Mrd. |
| 1959 | 68 Mio. | 1982 | 1,51 Mrd. | 2005 | 1,87 Mrd. |
| 1960 | 62,8 Mio. | 1983 | 1,58 Mrd. | 2006 | 2,11 Mrd. |
| 1961 | 58,7 Mio. | 1984 | 1,7 Mrd. | 2007 | 2,68 Mrd. |
| 1962 | 80,3 Mio. | 1985 | 1,63 Mrd. | 2008 | 3,65 Mrd. |
| 1963 | 85,5 Mio. | 1986 | 1,64 Mrd. | 2009 | 4,34 Mrd. |
| 1964 | 87,2 Mio. | 1987 | 1,7 Mrd. | 2010 | 5,19 Mrd. |
| 1965 | 94,3 Mio. | 1988 | 1,81 Mrd. | 2011 | 5,16 Mrd. |
| 1966 | 106 Mio. | 1989 | 1,94 Mrd. | 2012 | 5,41 Mrd. |
| 1967 | 126 Mio. | 1990 | 2,21 Mrd. | 2013 | 5,56 Mrd. |
| 1968 | 155 Mio. | 1991 | 2,6 Mrd. | 2014 | 5,58 Mrd. |
| 1969 | 185 Mio. | 1992 | 2,96 Mrd. | 2015 | 5,43 Mrd. |
| 1970 | 217 Mio. | 1993 | 3,16 Mrd. | 2016 | 5,56 Mrd. |
| 1971 | 263 Mio. | 1994 | 3,61 Mrd. | 2017 | 6,14 Mrd. |
| 1972 | 284 Mio. | 1995 | 3,85 Mrd. | 2018 | 6,66 Mrd. |
| 1973 | 312 Mio. | 1996 | 3,94 Mrd. | 2019 | 7,16 Mrd. |
| 1974 | 364 Mio. | 1997 | 3,26 Mrd. | 2020 | 7,29 Mrd. |
| 1975 | 416 Mio. | 1998 | 2,11 Mrd. | 2021 | 7,11 Mrd. |
| 1976 | 532 Mio. | 1999 | 2,06 Mrd. | 2022 | 6,03 Mrd. |
| 1977 | 689 Mio. | 2000 | 1,88 Mrd. | 2023 | 5,74 Mrd. |
| 1978 | 942 Mio. | 2001 | 1,72 Mrd. | 2024 | 5,52 Mrd. |
| 1979 | 1,2 Mrd. | 2002 | 1,78 Mrd. | 2025 | 5,98 Mrd. |
Datentabelle
| 1957 | 3,6% | 1980 | 4,2% | 2003 | 1,2% |
| 1958 | 3,2% | 1981 | 4,1% | 2004 | 1,1% |
| 1959 | 3% | 1982 | 4,1% | 2005 | 1% |
| 1960 | 2,5% | 1983 | 4% | 2006 | 1% |
| 1961 | 2,1% | 1984 | 4,1% | 2007 | 1% |
| 1962 | 2,6% | 1985 | 4,2% | 2008 | 1,3% |
| 1963 | 2,6% | 1986 | 3,8% | 2009 | 1,5% |
| 1964 | 2,4% | 1987 | 3,4% | 2010 | 1,5% |
| 1965 | 2,3% | 1988 | 2,9% | 2011 | 1,4% |
| 1966 | 2,2% | 1989 | 2,7% | 2012 | 1,4% |
| 1967 | 2,4% | 1990 | 2,6% | 2013 | 1,3% |
| 1968 | 2,8% | 1991 | 2,6% | 2014 | 1,4% |
| 1969 | 3% | 1992 | 2,7% | 2015 | 1,3% |
| 1970 | 3,1% | 1993 | 2,5% | 2016 | 1,3% |
| 1971 | 3,6% | 1994 | 2,5% | 2017 | 1,3% |
| 1972 | 3,5% | 1995 | 2,3% | 2018 | 1,3% |
| 1973 | 2,9% | 1996 | 2,2% | 2019 | 1,3% |
| 1974 | 2,7% | 1997 | 2,2% | 2020 | 1,5% |
| 1975 | 2,8% | 1998 | 1,9% | 2021 | 1,4% |
| 1976 | 3,1% | 1999 | 1,6% | 2022 | 1,2% |
| 1977 | 3,5% | 2000 | 1,5% | 2023 | 1,1% |
| 1978 | 3,9% | 2001 | 1,4% | 2024 | 1,1% |
| 1979 | 4,4% | 2002 | 1,3% | 2025 | 1% |