Show data table
| 1970 | 5.19M | 1989 | 36.3M | 2008 | 187M |
| 1971 | 5.89M | 1990 | 37.9M | 2009 | 210M |
| 1972 | 6.5M | 1991 | 35.4M | 2010 | 255M |
| 1973 | 7.15M | 1992 | 37.6M | 2011 | 285M |
| 1974 | 8.45M | 1993 | 37M | 2012 | 257M |
| 1975 | 10.5M | 1994 | 39.3M | 2013 | 281M |
| 1976 | 11.9M | 1995 | 39.8M | 2014 | 328M |
| 1977 | 13.2M | 1996 | 39.5M | 2015 | 324M |
| 1978 | 14.9M | 1997 | 42.6M | 2016 | 357M |
| 1979 | 17.3M | 1998 | 42.3M | 2017 | 437M |
| 1980 | 20.1M | 1999 | 47.5M | 2018 | 428M |
| 1981 | 22M | 2000 | 51.4M | 2019 | 423M |
| 1982 | 25.5M | 2001 | 64.7M | 2020 | 435M |
| 1983 | 29.1M | 2002 | 85.4M | 2021 | 448M |
| 1984 | 29.2M | 2003 | 103M | 2022 | 456M |
| 1985 | 30.5M | 2004 | 131M | 2023 | 455M |
| 1986 | 31.1M | 2005 | 159M | 2024 | 436M |
| 1987 | 33.9M | 2006 | 157M | 2025 | 428M |
| 1988 | 35.8M | 2007 | 170M | | |
Show data table
| 1970 | 0.6% | 1989 | 0.9% | 2008 | 1.4% |
| 1971 | 0.6% | 1990 | 0.9% | 2009 | 1.4% |
| 1972 | 0.6% | 1991 | 0.9% | 2010 | 1.4% |
| 1973 | 0.7% | 1992 | 0.9% | 2011 | 1.4% |
| 1974 | 0.6% | 1993 | 0.8% | 2012 | 1.2% |
| 1975 | 0.7% | 1994 | 0.8% | 2013 | 1.3% |
| 1976 | 0.9% | 1995 | 0.8% | 2014 | 1.4% |
| 1977 | 0.9% | 1996 | 0.7% | 2015 | 1.4% |
| 1978 | 0.9% | 1997 | 0.7% | 2016 | 1.5% |
| 1979 | 0.9% | 1998 | 0.8% | 2017 | 1.5% |
| 1980 | 1% | 1999 | 0.8% | 2018 | 1.3% |
| 1981 | 1% | 2000 | 0.8% | 2019 | 1.2% |
| 1982 | 1.1% | 2001 | 1% | 2020 | 1.3% |
| 1983 | 1.3% | 2002 | 1.3% | 2021 | 1.2% |
| 1984 | 1.2% | 2003 | 1.4% | 2022 | 1.1% |
| 1985 | 1.2% | 2004 | 1.6% | 2023 | 1.1% |
| 1986 | 1.2% | 2005 | 1.7% | 2024 | 1% |
| 1987 | 1.2% | 2006 | 1.5% | 2025 | 1% |
| 1988 | 0.9% | 2007 | 1.4% | | |