Datentabelle
| 1949 | 182 Mio. | 1975 | 1,93 Mrd. | 2001 | 3,04 Mrd. |
| 1950 | 165 Mio. | 1976 | 2,11 Mrd. | 2002 | 3,16 Mrd. |
| 1951 | 268 Mio. | 1977 | 2,5 Mrd. | 2003 | 3,88 Mrd. |
| 1952 | 399 Mio. | 1978 | 3,17 Mrd. | 2004 | 4,27 Mrd. |
| 1953 | 396 Mio. | 1979 | 3,63 Mrd. | 2005 | 4,23 Mrd. |
| 1954 | 414 Mio. | 1980 | 3,96 Mrd. | 2006 | 4,31 Mrd. |
| 1955 | 341 Mio. | 1981 | 3,39 Mrd. | 2007 | 5,17 Mrd. |
| 1956 | 341 Mio. | 1982 | 2,89 Mrd. | 2008 | 6,32 Mrd. |
| 1957 | 367 Mio. | 1983 | 2,67 Mrd. | 2009 | 5,64 Mrd. |
| 1958 | 366 Mio. | 1984 | 2,41 Mrd. | 2010 | 5,25 Mrd. |
| 1959 | 374 Mio. | 1985 | 2,43 Mrd. | 2011 | 5,51 Mrd. |
| 1960 | 383 Mio. | 1986 | 3,4 Mrd. | 2012 | 5,17 Mrd. |
| 1961 | 391 Mio. | 1987 | 4,16 Mrd. | 2013 | 5,26 Mrd. |
| 1962 | 422 Mio. | 1988 | 4,1 Mrd. | 2014 | 5,2 Mrd. |
| 1963 | 445 Mio. | 1989 | 3,88 Mrd. | 2015 | 4,2 Mrd. |
| 1964 | 497 Mio. | 1990 | 4,64 Mrd. | 2016 | 4,26 Mrd. |
| 1965 | 501 Mio. | 1991 | 4,62 Mrd. | 2017 | 4,44 Mrd. |
| 1966 | 563 Mio. | 1992 | 4,13 Mrd. | 2018 | 4,84 Mrd. |
| 1967 | 608 Mio. | 1993 | 3,75 Mrd. | 2019 | 4,76 Mrd. |
| 1968 | 646 Mio. | 1994 | 3,94 Mrd. | 2020 | 5,33 Mrd. |
| 1969 | 675 Mio. | 1995 | 4,45 Mrd. | 2021 | 6,24 Mrd. |
| 1970 | 748 Mio. | 1996 | 4,24 Mrd. | 2022 | 6,9 Mrd. |
| 1971 | 829 Mio. | 1997 | 3,68 Mrd. | 2023 | 7,64 Mrd. |
| 1972 | 1,03 Mrd. | 1998 | 3,66 Mrd. | 2024 | 8,57 Mrd. |
| 1973 | 1,3 Mrd. | 1999 | 3,6 Mrd. | 2025 | 14,5 Mrd. |
| 1974 | 1,48 Mrd. | 2000 | 3,2 Mrd. | | |
Datentabelle
| 1953 | 4,9% | 1978 | 3,3% | 2003 | 1,2% |
| 1954 | 4,9% | 1979 | 3,3% | 2004 | 1,2% |
| 1955 | 3,8% | 1980 | 3,3% | 2005 | 1,1% |
| 1956 | 3,6% | 1981 | 3,4% | 2006 | 1,1% |
| 1957 | 3,6% | 1982 | 3,3% | 2007 | 1,1% |
| 1958 | 3,6% | 1983 | 3,2% | 2008 | 1,2% |
| 1959 | 3,5% | 1984 | 3% | 2009 | 1,2% |
| 1960 | 3,4% | 1985 | 2,9% | 2010 | 1,1% |
| 1961 | 3,3% | 1986 | 3% | 2011 | 1% |
| 1962 | 3,3% | 1987 | 2,9% | 2012 | 1% |
| 1963 | 3,2% | 1988 | 2,6% | 2013 | 1% |
| 1964 | 3,2% | 1989 | 2,5% | 2014 | 1% |
| 1965 | 3% | 1990 | 2,4% | 2015 | 0,9% |
| 1966 | 3,1% | 1991 | 2,3% | 2016 | 0,9% |
| 1967 | 3,1% | 1992 | 1,8% | 2017 | 0,9% |
| 1968 | 3,1% | 1993 | 1,7% | 2018 | 0,9% |
| 1969 | 2,9% | 1994 | 1,7% | 2019 | 0,9% |
| 1970 | 2,9% | 1995 | 1,5% | 2020 | 1% |
| 1971 | 2,9% | 1996 | 1,5% | 2021 | 1% |
| 1972 | 2,9% | 1997 | 1,5% | 2022 | 1,2% |
| 1973 | 2,8% | 1998 | 1,4% | 2023 | 1,2% |
| 1974 | 2,8% | 1999 | 1,4% | 2024 | 1,3% |
| 1975 | 3,1% | 2000 | 1,4% | 2025 | 2% |
| 1976 | 3,1% | 2001 | 1,3% | | |
| 1977 | 3,1% | 2002 | 1,2% | | |