Show data table
| 1982 | 9.41M | 2000 | 9.53M | 2016 | 15.7M |
| 1983 | 18.1M | 2001 | 6.18M | 2017 | 19.2M |
| 1984 | 6.47M | 2002 | 6.36M | 2018 | 10.6M |
| 1985 | 4.65M | 2003 | 7.51M | 2019 | 22.4M |
| 1986 | 6.13M | 2005 | 12.1M | 2020 | 24.1M |
| 1987 | 3.88M | 2009 | 13.7M | 2021 | 25.6M |
| 1989 | 4.43M | 2010 | 17.1M | 2022 | 18.7M |
| 1994 | 2.02M | 2011 | 17.5M | 2023 | 18.3M |
| 1995 | 2.21M | 2012 | 24.5M | 2024 | 23.2M |
| 1996 | 1.9M | 2013 | 21.7M | 2025 | 22.4M |
| 1997 | 1.82M | 2014 | 21.5M | | |
| 1998 | 2.9M | 2015 | 17M | | |
Show data table
| 1982 | 0% | 2000 | 2.6% | 2016 | 1.3% |
| 1983 | 0% | 2001 | 1.6% | 2017 | 1.3% |
| 1984 | 0% | 2002 | 1.6% | 2018 | 0.7% |
| 1985 | 0% | 2003 | 1.6% | 2019 | 1.5% |
| 1986 | 0% | 2005 | 1.9% | 2020 | 1.5% |
| 1987 | 0.1% | 2009 | 1.6% | 2021 | 1.5% |
| 1989 | 0.2% | 2010 | 1.8% | 2022 | 1.1% |
| 1994 | 0.3% | 2011 | 1.5% | 2023 | 0.9% |
| 1995 | 0.5% | 2012 | 2.3% | 2024 | 1% |
| 1996 | 0.6% | 2013 | 2% | 2025 | 0.9% |
| 1997 | 0.7% | 2014 | 1.9% | | |
| 1998 | 1.4% | 2015 | 1.5% | | |