Show data table
| 1970 | 13.1M | 1984 | 49.4M | 2010 | 218M |
| 1971 | 13.7M | 1985 | 55.6M | 2013 | 367M |
| 1972 | 12.7M | 1987 | 101M | 2014 | 705M |
| 1973 | 19.4M | 1992 | 126M | 2016 | 502M |
| 1974 | 24.1M | 1993 | 109M | 2017 | 372M |
| 1975 | 33.5M | 2001 | 54.4M | 2018 | 292M |
| 1976 | 34.3M | 2002 | 70.7M | 2019 | 300M |
| 1977 | 36.6M | 2003 | 93.8M | 2020 | 298M |
| 1978 | 38M | 2004 | 124M | 2021 | 313M |
| 1979 | 52.6M | 2005 | 101M | 2022 | 266M |
| 1980 | 57.4M | 2006 | 127M | 2023 | 285M |
| 1981 | 63.5M | 2007 | 168M | 2024 | 182M |
| 1982 | 72.4M | 2008 | 208M | 2025 | 205M |
Show data table
| 1970 | 4.9% | 1984 | 2.3% | 2010 | 1.7% |
| 1971 | 4.6% | 1985 | 2.6% | 2013 | 2% |
| 1972 | 3.5% | 1987 | 4.4% | 2014 | 3.9% |
| 1973 | 4.2% | 1992 | 3.8% | 2016 | 4.6% |
| 1974 | 4.2% | 1993 | 3.6% | 2017 | 3.2% |
| 1975 | 4.5% | 2001 | 1.8% | 2018 | 2% |
| 1976 | 4.7% | 2002 | 2.1% | 2019 | 2.1% |
| 1977 | 5% | 2003 | 2.4% | 2020 | 2.6% |
| 1978 | 4.3% | 2004 | 2.4% | 2021 | 2.3% |
| 1979 | 4.4% | 2005 | 1.5% | 2022 | 1.9% |
| 1980 | 3.4% | 2006 | 1.6% | 2023 | 2% |
| 1981 | 3.2% | 2007 | 1.9% | 2024 | 1.2% |
| 1982 | 3.3% | 2008 | 1.8% | 2025 | 1.3% |