Show data table
| 1960 | 1.3M | 1978 | 8.55M | 2004 | 41.9M |
| 1961 | 2.17M | 1979 | 17.6M | 2005 | 44.7M |
| 1962 | 2.73M | 1980 | 23.6M | 2006 | 46.8M |
| 1963 | 2.96M | 1981 | 17.2M | 2008 | 65M |
| 1964 | 3.8M | 1982 | 16.6M | 2012 | 78.2M |
| 1965 | 3.99M | 1983 | 17.8M | 2013 | 86M |
| 1966 | 3.72M | 1984 | 21.2M | 2014 | 93.1M |
| 1967 | 3.91M | 1985 | 19.8M | 2015 | 90.9M |
| 1968 | 4.29M | 1986 | 26.3M | 2016 | 79.6M |
| 1969 | 4.02M | 1987 | 35.6M | 2017 | 117M |
| 1970 | 4.1M | 1988 | 36.9M | 2018 | 90.3M |
| 1971 | 4.29M | 1989 | 28.5M | 2019 | 68.1M |
| 1972 | 4.9M | 1990 | 32.8M | 2020 | 71.8M |
| 1973 | 6.7M | 1999 | 17.8M | 2021 | 97.5M |
| 1974 | 6.45M | 2000 | 14.5M | 2022 | 110M |
| 1975 | 7.86M | 2001 | 13.1M | 2023 | 149M |
| 1976 | 7.16M | 2002 | 26.1M | 2024 | 167M |
| 1977 | 10.1M | 2003 | 34.6M | 2025 | 217M |
Show data table
| 1960 | 0.9% | 1978 | 1.2% | 2004 | 0.7% |
| 1961 | 1.4% | 1979 | 1.9% | 2005 | 0.7% |
| 1962 | 1.8% | 1980 | 2% | 2006 | 0.7% |
| 1963 | 1.7% | 1981 | 1.6% | 2008 | 0.7% |
| 1964 | 2.2% | 1982 | 1% | 2012 | 0.7% |
| 1965 | 2.1% | 1983 | 1.2% | 2013 | 0.7% |
| 1966 | 1.9% | 1984 | 1.5% | 2014 | 0.7% |
| 1967 | 2% | 1985 | 1.3% | 2015 | 0.8% |
| 1968 | 2.1% | 1986 | 1.4% | 2016 | 0.7% |
| 1969 | 1.9% | 1987 | 1.6% | 2017 | 0.9% |
| 1970 | 1.6% | 1988 | 1.6% | 2018 | 0.6% |
| 1971 | 1.6% | 1989 | 1.3% | 2019 | 0.5% |
| 1972 | 1.5% | 1990 | 1.2% | 2020 | 0.5% |
| 1973 | 1.7% | 1999 | 0.5% | 2021 | 0.6% |
| 1974 | 1.4% | 2000 | 0.4% | 2022 | 0.6% |
| 1975 | 1.5% | 2001 | 0.4% | 2023 | 0.8% |
| 1976 | 1.3% | 2002 | 0.6% | 2024 | 0.8% |
| 1977 | 1.7% | 2003 | 0.6% | 2025 | 0.9% |