Show data table
| 1975 | 7.93M | 1994 | 83.3M | 2010 | 46.3M |
| 1976 | 22M | 1995 | 56.4M | 2011 | 64.2M |
| 1977 | 22.3M | 1996 | 78.7M | 2012 | 111M |
| 1978 | 27.4M | 1997 | 79.6M | 2013 | 105M |
| 1979 | 30.2M | 1998 | 49.7M | 2014 | 112M |
| 1980 | 38.8M | 1999 | 35.7M | 2015 | 99.8M |
| 1981 | 38.2M | 2000 | 33.6M | 2016 | 79.1M |
| 1985 | 34.3M | 2001 | 25.2M | 2017 | 80.7M |
| 1986 | 37.5M | 2002 | 17M | 2018 | 79.6M |
| 1987 | 42.4M | 2003 | 19.3M | 2019 | 89.8M |
| 1988 | 46.3M | 2004 | 24.4M | 2020 | 93.8M |
| 1989 | 53.1M | 2005 | 30.5M | 2021 | 86.1M |
| 1990 | 68.7M | 2006 | 31.3M | 2022 | 133M |
| 1991 | 52.6M | 2007 | 39.3M | 2023 | 101M |
| 1992 | 58.6M | 2008 | 39.3M | 2024 | 91.5M |
| 1993 | 68.6M | 2009 | 52M | 2025 | 106M |
Show data table
| 1975 | 0.6% | 1994 | 1% | 2010 | 0.3% |
| 1976 | 1.6% | 1995 | 0.8% | 2011 | 0.4% |
| 1977 | 1.3% | 1996 | 1% | 2012 | 0.5% |
| 1978 | 1.3% | 1997 | 1.1% | 2013 | 0.5% |
| 1979 | 1.2% | 1998 | 0.9% | 2014 | 0.5% |
| 1980 | 1.4% | 1999 | 0.7% | 2015 | 0.5% |
| 1981 | 1.4% | 2000 | 0.6% | 2016 | 0.4% |
| 1985 | 1.6% | 2001 | 0.5% | 2017 | 0.4% |
| 1986 | 1.6% | 2002 | 0.4% | 2018 | 0.3% |
| 1987 | 1.6% | 2003 | 0.3% | 2019 | 0.4% |
| 1988 | 1.3% | 2004 | 0.4% | 2020 | 0.4% |
| 1989 | 1.5% | 2005 | 0.4% | 2021 | 0.3% |
| 1990 | 1.4% | 2006 | 0.4% | 2022 | 0.4% |
| 1991 | 0.9% | 2007 | 0.4% | 2023 | 0.4% |
| 1992 | 0.9% | 2008 | 0.3% | 2024 | 0.3% |
| 1993 | 0.9% | 2009 | 0.4% | 2025 | 0.4% |