Datentabelle
| 1949 | 325 Mio. | 1975 | 1,43 Mrd. | 2001 | 4,43 Mrd. |
| 1950 | 131 Mio. | 1976 | 1,56 Mrd. | 2002 | 4,76 Mrd. |
| 1951 | 174 Mio. | 1977 | 1,84 Mrd. | 2003 | 5,05 Mrd. |
| 1952 | 177 Mio. | 1978 | 2,12 Mrd. | 2004 | 6,28 Mrd. |
| 1953 | 105 Mio. | 1979 | 2,42 Mrd. | 2005 | 7,03 Mrd. |
| 1954 | 114 Mio. | 1980 | 2,28 Mrd. | 2006 | 7,61 Mrd. |
| 1955 | 123 Mio. | 1981 | 2,58 Mrd. | 2007 | 8,54 Mrd. |
| 1956 | 165 Mio. | 1982 | 2,64 Mrd. | 2008 | 10,6 Mrd. |
| 1957 | 149 Mio. | 1983 | 2,2 Mrd. | 2009 | 10,7 Mrd. |
| 1958 | 149 Mio. | 1984 | 1,99 Mrd. | 2010 | 8,17 Mrd. |
| 1959 | 158 Mio. | 1985 | 1,93 Mrd. | 2011 | 7,14 Mrd. |
| 1960 | 170 Mio. | 1986 | 2 Mrd. | 2012 | 5,91 Mrd. |
| 1961 | 168 Mio. | 1987 | 2,4 Mrd. | 2013 | 5,66 Mrd. |
| 1962 | 170 Mio. | 1988 | 2,75 Mrd. | 2014 | 5,54 Mrd. |
| 1963 | 179 Mio. | 1989 | 2,56 Mrd. | 2015 | 4,82 Mrd. |
| 1964 | 188 Mio. | 1990 | 3,19 Mrd. | 2016 | 4,97 Mrd. |
| 1965 | 210 Mio. | 1991 | 3,15 Mrd. | 2017 | 5,12 Mrd. |
| 1966 | 239 Mio. | 1992 | 3,62 Mrd. | 2018 | 5,76 Mrd. |
| 1967 | 313 Mio. | 1993 | 3,36 Mrd. | 2019 | 5,38 Mrd. |
| 1968 | 367 Mio. | 1994 | 3,59 Mrd. | 2020 | 5,79 Mrd. |
| 1969 | 425 Mio. | 1995 | 4,18 Mrd. | 2021 | 8,3 Mrd. |
| 1970 | 474 Mio. | 1996 | 4,61 Mrd. | 2022 | 8,76 Mrd. |
| 1971 | 516 Mio. | 1997 | 4,57 Mrd. | 2023 | 7,02 Mrd. |
| 1972 | 574 Mio. | 1998 | 4,82 Mrd. | 2024 | 7,39 Mrd. |
| 1973 | 675 Mio. | 1999 | 5,01 Mrd. | 2025 | 8,39 Mrd. |
| 1974 | 1,05 Mrd. | 2000 | 4,56 Mrd. | | |
Datentabelle
| 1949 | 5,9% | 1975 | 5,8% | 2001 | 3,4% |
| 1950 | 6% | 1976 | 5,8% | 2002 | 3,2% |
| 1951 | 6,6% | 1977 | 5,9% | 2003 | 2,6% |
| 1952 | 6,4% | 1978 | 5,6% | 2004 | 2,7% |
| 1953 | 5,1% | 1979 | 5,2% | 2005 | 2,9% |
| 1954 | 5,5% | 1980 | 4,7% | 2006 | 2,8% |
| 1955 | 5,1% | 1981 | 5,7% | 2007 | 2,7% |
| 1956 | 5,9% | 1982 | 5,6% | 2008 | 3% |
| 1957 | 5% | 1983 | 5,2% | 2009 | 3,3% |
| 1958 | 4,8% | 1984 | 4,8% | 2010 | 2,8% |
| 1959 | 4,9% | 1985 | 4,7% | 2011 | 2,5% |
| 1960 | 4,9% | 1986 | 4,1% | 2012 | 2,5% |
| 1961 | 4,2% | 1987 | 4,3% | 2013 | 2,4% |
| 1962 | 4% | 1988 | 4,2% | 2014 | 2,4% |
| 1963 | 3,8% | 1989 | 3,8% | 2015 | 2,5% |
| 1964 | 3,6% | 1990 | 3,8% | 2016 | 2,6% |
| 1965 | 3,5% | 1991 | 3,5% | 2017 | 2,6% |
| 1966 | 3,6% | 1992 | 3,6% | 2018 | 2,7% |
| 1967 | 4,3% | 1993 | 3,6% | 2019 | 2,6% |
| 1968 | 4,7% | 1994 | 3,6% | 2020 | 3% |
| 1969 | 4,8% | 1995 | 3,1% | 2021 | 3,8% |
| 1970 | 4,2% | 1996 | 3,2% | 2022 | 4% |
| 1971 | 4,1% | 1997 | 3,3% | 2023 | 2,9% |
| 1972 | 4% | 1998 | 3,5% | 2024 | 2,9% |
| 1973 | 3,5% | 1999 | 3,5% | 2025 | 3% |
| 1974 | 4,8% | 2000 | 3,6% | | |