Show data table
| 1956 | 96,485 | 1976 | 179M | 1997 | 97.7M |
| 1957 | 14.1M | 1977 | 217M | 1998 | 260M |
| 1958 | 14.4M | 1978 | 176M | 1999 | 430M |
| 1959 | 16.6M | 1979 | 240M | 2000 | 587M |
| 1960 | 18.7M | 1980 | 228M | 2001 | 388M |
| 1961 | 20.5M | 1981 | 204M | 2002 | 485M |
| 1962 | 24.8M | 1982 | 172M | 2003 | 398M |
| 1963 | 28.1M | 1983 | 231M | 2004 | 1.24B |
| 1964 | 41.9M | 1984 | 355M | 2005 | 1.16B |
| 1965 | 56.4M | 1985 | 205M | 2006 | 1.65B |
| 1966 | 50.3M | 1986 | 260M | 2007 | 2.43B |
| 1967 | 52.3M | 1987 | 310M | 2008 | 3.23B |
| 1968 | 57.7M | 1988 | 369M | 2009 | 3.18B |
| 1969 | 87M | 1990 | 1.18B | 2015 | 2.28B |
| 1970 | 108M | 1991 | 1.37B | 2016 | 2.73B |
| 1971 | 110M | 1992 | 184M | 2017 | 4.36B |
| 1972 | 108M | 1993 | 258M | 2018 | 996M |
| 1973 | 113M | 1994 | 226M | 2019 | 723M |
| 1974 | 111M | 1995 | 139M | 2020 | 937M |
| 1975 | 119M | 1996 | 106M | 2021 | 369M |
Show data table
| 1956 | 1.1% | 1976 | 2.7% | 1997 | 1% |
| 1957 | 1.6% | 1977 | 2.6% | 1998 | 2.4% |
| 1958 | 1.5% | 1978 | 2% | 1999 | 4% |
| 1959 | 1.7% | 1979 | 2.6% | 2000 | 4.5% |
| 1960 | 1.9% | 1980 | 2.3% | 2001 | 2.5% |
| 1961 | 1.8% | 1981 | 1.8% | 2002 | 2.7% |
| 1962 | 2.1% | 1982 | 2.4% | 2003 | 1.9% |
| 1963 | 2.1% | 1983 | 3.3% | 2004 | 4.7% |
| 1964 | 3.1% | 1984 | 4.1% | 2005 | 3.3% |
| 1965 | 4.1% | 1985 | 3.4% | 2006 | 3.6% |
| 1966 | 3.5% | 1986 | 3.2% | 2007 | 4.1% |
| 1967 | 3.7% | 1987 | 2.6% | 2008 | 5% |
| 1968 | 3.8% | 1988 | 3.6% | 2009 | 5.5% |
| 1969 | 5.2% | 1990 | 4.8% | 2015 | 2.7% |
| 1970 | 5% | 1991 | 5% | 2016 | 2.3% |
| 1971 | 4.6% | 1992 | 4.4% | 2017 | 3.3% |
| 1972 | 4.2% | 1993 | 4.9% | 2018 | 1.8% |
| 1973 | 3.2% | 1994 | 3.9% | 2019 | 1.6% |
| 1974 | 2.6% | 1995 | 2.1% | 2020 | 1% |
| 1975 | 2.3% | 1996 | 1.3% | 2021 | 0.9% |