Show data table
| 1973 | 5.03M | 1990 | 3.59M | 2010 | 31.1M |
| 1974 | 11.1M | 1991 | 2.03M | 2011 | 32.4M |
| 1975 | 32.4M | 1992 | 3.63M | 2012 | 33.5M |
| 1976 | 34M | 1993 | 4.44M | 2013 | 35.2M |
| 1977 | 24.3M | 1994 | 5.49M | 2014 | 39.3M |
| 1978 | 17.3M | 1995 | 5.69M | 2015 | 46.4M |
| 1979 | 17.2M | 1996 | 5.56M | 2016 | 51.6M |
| 1980 | 21.9M | 2000 | 12.6M | 2017 | 59.5M |
| 1981 | 22.4M | 2001 | 14.4M | 2018 | 61.8M |
| 1982 | 24.7M | 2002 | 16.7M | 2019 | 67.2M |
| 1983 | 22.1M | 2003 | 16.3M | 2020 | 76.7M |
| 1984 | 20.7M | 2004 | 22.1M | 2021 | 76.8M |
| 1985 | 39M | 2005 | 18.5M | 2022 | 88.5M |
| 1986 | 27.8M | 2006 | 19.2M | 2023 | 111M |
| 1987 | 10.6M | 2007 | 25M | 2024 | 207M |
| 1988 | 11M | 2008 | 30.5M | 2025 | 248M |
| 1989 | 6.02M | 2009 | 31.1M | | |
Show data table
| 1973 | 1.6% | 1990 | 0.9% | 2010 | 0.9% |
| 1974 | 2.9% | 1991 | 0.6% | 2011 | 0.9% |
| 1975 | 7% | 1992 | 1% | 2012 | 0.8% |
| 1976 | 8.4% | 1993 | 1% | 2013 | 0.8% |
| 1977 | 6.1% | 1994 | 1% | 2014 | 1% |
| 1978 | 3.9% | 1995 | 0.9% | 2015 | 1.1% |
| 1979 | 3.7% | 1996 | 0.8% | 2016 | 1.2% |
| 1980 | 3.7% | 2000 | 1.8% | 2017 | 1.3% |
| 1981 | 3.9% | 2001 | 2% | 2018 | 1.3% |
| 1982 | 5.1% | 2002 | 2.3% | 2019 | 1.3% |
| 1983 | 4.5% | 2003 | 2.2% | 2020 | 1.4% |
| 1984 | 4.7% | 2004 | 2.8% | 2021 | 1% |
| 1985 | 8.4% | 2005 | 1.4% | 2022 | 0.6% |
| 1986 | 5.4% | 2006 | 0.8% | 2023 | 0.7% |
| 1987 | 3.1% | 2007 | 0.9% | 2024 | 0.8% |
| 1988 | 2.7% | 2008 | 1% | 2025 | 1% |
| 1989 | 1.6% | 2009 | 1% | | |