Datentabelle
| 1949 | 231 Mio. | 1975 | 2,81 Mrd. | 2001 | 6,2 Mrd. |
| 1950 | 237 Mio. | 1976 | 2,9 Mrd. | 2002 | 6,73 Mrd. |
| 1951 | 279 Mio. | 1977 | 3,7 Mrd. | 2003 | 8,36 Mrd. |
| 1952 | 330 Mio. | 1978 | 4,23 Mrd. | 2004 | 9,38 Mrd. |
| 1953 | 350 Mio. | 1979 | 5,04 Mrd. | 2005 | 9,57 Mrd. |
| 1954 | 417 Mio. | 1980 | 5,27 Mrd. | 2006 | 10,2 Mrd. |
| 1955 | 447 Mio. | 1981 | 4,53 Mrd. | 2007 | 11,5 Mrd. |
| 1956 | 488 Mio. | 1982 | 4,83 Mrd. | 2008 | 12,4 Mrd. |
| 1957 | 486 Mio. | 1983 | 4,26 Mrd. | 2009 | 12,1 Mrd. |
| 1958 | 436 Mio. | 1984 | 3,98 Mrd. | 2010 | 11,2 Mrd. |
| 1959 | 396 Mio. | 1985 | 3,88 Mrd. | 2011 | 11,6 Mrd. |
| 1960 | 455 Mio. | 1986 | 5,35 Mrd. | 2012 | 10,4 Mrd. |
| 1961 | 552 Mio. | 1987 | 6,54 Mrd. | 2013 | 10,2 Mrd. |
| 1962 | 604 Mio. | 1988 | 6,73 Mrd. | 2014 | 10,3 Mrd. |
| 1963 | 637 Mio. | 1989 | 6,4 Mrd. | 2015 | 8,67 Mrd. |
| 1964 | 735 Mio. | 1990 | 7,42 Mrd. | 2016 | 9,12 Mrd. |
| 1965 | 750 Mio. | 1991 | 7,25 Mrd. | 2017 | 9,58 Mrd. |
| 1966 | 771 Mio. | 1992 | 7,9 Mrd. | 2018 | 11,1 Mrd. |
| 1967 | 884 Mio. | 1993 | 7,05 Mrd. | 2019 | 12 Mrd. |
| 1968 | 906 Mio. | 1994 | 7,14 Mrd. | 2020 | 13,1 Mrd. |
| 1969 | 1,02 Mrd. | 1995 | 8,01 Mrd. | 2021 | 14,4 Mrd. |
| 1970 | 1,08 Mrd. | 1996 | 7,83 Mrd. | 2022 | 13,6 Mrd. |
| 1971 | 1,25 Mrd. | 1997 | 6,84 Mrd. | 2023 | 16,6 Mrd. |
| 1972 | 1,52 Mrd. | 1998 | 6,84 Mrd. | 2024 | 23,6 Mrd. |
| 1973 | 1,92 Mrd. | 1999 | 7,03 Mrd. | 2025 | 28,9 Mrd. |
| 1974 | 2,29 Mrd. | 2000 | 5,97 Mrd. | | |
Datentabelle
| 1956 | 5,8% | 1980 | 2,8% | 2004 | 1,4% |
| 1957 | 5,3% | 1981 | 2,9% | 2005 | 1,4% |
| 1958 | 4,7% | 1982 | 3,1% | 2006 | 1,4% |
| 1959 | 4% | 1983 | 2,8% | 2007 | 1,3% |
| 1960 | 3,7% | 1984 | 2,9% | 2008 | 1,3% |
| 1961 | 4,1% | 1985 | 2,8% | 2009 | 1,4% |
| 1962 | 4,1% | 1986 | 2,7% | 2010 | 1,3% |
| 1963 | 4% | 1987 | 2,7% | 2011 | 1,3% |
| 1964 | 3,9% | 1988 | 2,6% | 2012 | 1,2% |
| 1965 | 3,6% | 1989 | 2,5% | 2013 | 1,2% |
| 1966 | 3,4% | 1990 | 2,4% | 2014 | 1,1% |
| 1967 | 3,5% | 1991 | 2,2% | 2015 | 1,1% |
| 1968 | 3,3% | 1992 | 2,2% | 2016 | 1,1% |
| 1969 | 3,2% | 1993 | 2% | 2017 | 1,1% |
| 1970 | 2,9% | 1994 | 1,9% | 2018 | 1,2% |
| 1971 | 2,8% | 1995 | 1,8% | 2019 | 1,3% |
| 1972 | 2,8% | 1996 | 1,7% | 2020 | 1,4% |
| 1973 | 2,7% | 1997 | 1,6% | 2021 | 1,4% |
| 1974 | 2,7% | 1998 | 1,6% | 2022 | 1,3% |
| 1975 | 2,8% | 1999 | 1,6% | 2023 | 1,4% |
| 1976 | 2,7% | 2000 | 1,4% | 2024 | 1,9% |
| 1977 | 3% | 2001 | 1,4% | 2025 | 2,2% |
| 1978 | 2,7% | 2002 | 1,4% | | |
| 1979 | 2,8% | 2003 | 1,4% | | |