Show data table
| 1976 | 27.4M | 1995 | 35.3M | 2011 | 134M |
| 1977 | 30.6M | 1996 | 41.8M | 2012 | 138M |
| 1981 | 44.9M | 1997 | 54.9M | 2013 | 128M |
| 1982 | 53.6M | 1998 | 47.6M | 2014 | 121M |
| 1983 | 50.2M | 1999 | 45.1M | 2015 | 124M |
| 1984 | 25.2M | 2000 | 43.6M | 2016 | 134M |
| 1985 | 18.7M | 2001 | 46.4M | 2017 | 144M |
| 1986 | 23.5M | 2002 | 56.9M | 2018 | 210M |
| 1987 | 25.3M | 2003 | 54.8M | 2019 | 266M |
| 1988 | 30.9M | 2004 | 54.5M | 2020 | 236M |
| 1989 | 40.9M | 2005 | 59.3M | 2021 | 215M |
| 1990 | 38.6M | 2006 | 72.6M | 2022 | 221M |
| 1991 | 31.9M | 2007 | 83.5M | 2023 | 230M |
| 1992 | 47.2M | 2008 | 131M | 2024 | 276M |
| 1993 | 44.5M | 2009 | 115M | 2025 | 287M |
| 1994 | 34.2M | 2010 | 116M | | |
Show data table
| 1976 | 0.9% | 1995 | 0.5% | 2011 | 0.9% |
| 1977 | 0.9% | 1996 | 0.6% | 2012 | 0.9% |
| 1981 | 1.5% | 1997 | 0.7% | 2013 | 0.9% |
| 1982 | 1.6% | 1998 | 0.5% | 2014 | 0.9% |
| 1983 | 1.4% | 1999 | 0.5% | 2015 | 0.9% |
| 1984 | 1.1% | 2000 | 0.5% | 2016 | 1% |
| 1985 | 0.9% | 2001 | 0.5% | 2017 | 1% |
| 1986 | 0.9% | 2002 | 0.6% | 2018 | 1.3% |
| 1987 | 0.8% | 2003 | 0.6% | 2019 | 1.7% |
| 1988 | 0.8% | 2004 | 0.5% | 2020 | 1.7% |
| 1989 | 0.9% | 2005 | 0.5% | 2021 | 1.5% |
| 1990 | 0.8% | 2006 | 0.6% | 2022 | 1.3% |
| 1991 | 0.8% | 2007 | 0.7% | 2023 | 1.2% |
| 1992 | 1.1% | 2008 | 1% | 2024 | 1.4% |
| 1993 | 0.8% | 2009 | 0.9% | 2025 | 1.4% |
| 1994 | 0.6% | 2010 | 0.9% | | |