Datentabelle
| 1957 | 82,6 Mio. | 1980 | 1,15 Mrd. | 2003 | 2,38 Mrd. |
| 1958 | 95,8 Mio. | 1981 | 969 Mio. | 2004 | 2,68 Mrd. |
| 1959 | 95,8 Mio. | 1982 | 995 Mio. | 2005 | 2,69 Mrd. |
| 1960 | 91,6 Mio. | 1983 | 992 Mio. | 2006 | 2,64 Mrd. |
| 1961 | 91 Mio. | 1984 | 950 Mio. | 2007 | 3,5 Mrd. |
| 1962 | 100 Mio. | 1985 | 1,04 Mrd. | 2008 | 3,75 Mrd. |
| 1963 | 126 Mio. | 1986 | 1,48 Mrd. | 2009 | 3,33 Mrd. |
| 1964 | 165 Mio. | 1987 | 1,74 Mrd. | 2010 | 3,22 Mrd. |
| 1965 | 143 Mio. | 1988 | 1,71 Mrd. | 2011 | 3,41 Mrd. |
| 1966 | 168 Mio. | 1989 | 1,62 Mrd. | 2012 | 3,19 Mrd. |
| 1967 | 177 Mio. | 1990 | 1,97 Mrd. | 2013 | 3,23 Mrd. |
| 1968 | 182 Mio. | 1991 | 1,99 Mrd. | 2014 | 3,31 Mrd. |
| 1969 | 193 Mio. | 1992 | 2,14 Mrd. | 2015 | 2,67 Mrd. |
| 1970 | 200 Mio. | 1993 | 2,12 Mrd. | 2016 | 2,89 Mrd. |
| 1971 | 209 Mio. | 1994 | 2,23 Mrd. | 2017 | 3,15 Mrd. |
| 1972 | 249 Mio. | 1995 | 2,56 Mrd. | 2018 | 3,39 Mrd. |
| 1973 | 329 Mio. | 1996 | 2,46 Mrd. | 2019 | 3,34 Mrd. |
| 1974 | 423 Mio. | 1997 | 2,16 Mrd. | 2020 | 3,84 Mrd. |
| 1975 | 547 Mio. | 1998 | 2,16 Mrd. | 2021 | 4,2 Mrd. |
| 1976 | 581 Mio. | 1999 | 2,12 Mrd. | 2022 | 3,61 Mrd. |
| 1977 | 687 Mio. | 2000 | 1,93 Mrd. | 2023 | 4,45 Mrd. |
| 1978 | 877 Mio. | 2001 | 1,79 Mrd. | 2024 | 5,29 Mrd. |
| 1979 | 1,05 Mrd. | 2002 | 1,88 Mrd. | 2025 | 6,35 Mrd. |
Datentabelle
| 1957 | 1,6% | 1980 | 1,4% | 2003 | 0,9% |
| 1958 | 1,8% | 1981 | 1,4% | 2004 | 0,9% |
| 1959 | 1,7% | 1982 | 1,4% | 2005 | 0,9% |
| 1960 | 1,5% | 1983 | 1,4% | 2006 | 0,8% |
| 1961 | 1,3% | 1984 | 1,4% | 2007 | 0,9% |
| 1962 | 1,4% | 1985 | 1,5% | 2008 | 0,9% |
| 1963 | 1,6% | 1986 | 1,5% | 2009 | 0,8% |
| 1964 | 1,9% | 1987 | 1,4% | 2010 | 0,8% |
| 1965 | 1,5% | 1988 | 1,3% | 2011 | 0,8% |
| 1966 | 1,6% | 1989 | 1,2% | 2012 | 0,8% |
| 1967 | 1,6% | 1990 | 1,2% | 2013 | 0,8% |
| 1968 | 1,5% | 1991 | 1,2% | 2014 | 0,8% |
| 1969 | 1,5% | 1992 | 1,1% | 2015 | 0,7% |
| 1970 | 1,4% | 1993 | 1,1% | 2016 | 0,7% |
| 1971 | 1,2% | 1994 | 1,1% | 2017 | 0,8% |
| 1972 | 1,2% | 1995 | 1,1% | 2018 | 0,7% |
| 1973 | 1,2% | 1996 | 1% | 2019 | 0,8% |
| 1974 | 1,3% | 1997 | 1% | 2020 | 0,9% |
| 1975 | 1,5% | 1998 | 1% | 2021 | 0,9% |
| 1976 | 1,4% | 1999 | 1% | 2022 | 0,8% |
| 1977 | 1,3% | 2000 | 1% | 2023 | 0,9% |
| 1978 | 1,4% | 2001 | 0,9% | 2024 | 1% |
| 1979 | 1,4% | 2002 | 0,9% | 2025 | 1,1% |