Show data table
| 1984 | 3.69M | 2000 | 6.8M | 2013 | 9.82M |
| 1985 | 3.39M | 2001 | 4.64M | 2014 | 10M |
| 1986 | 4.45M | 2002 | 4.52M | 2015 | 8.92M |
| 1987 | 4.97M | 2003 | 5.78M | 2016 | 10.2M |
| 1988 | 5.08M | 2004 | 6.45M | 2017 | 9.35M |
| 1992 | 3.56M | 2005 | 7.08M | 2018 | 10.7M |
| 1993 | 2.74M | 2006 | 6.99M | 2019 | 9.73M |
| 1994 | 3.43M | 2007 | 7.94M | 2020 | 11.3M |
| 1995 | 6.21M | 2008 | 10.8M | 2021 | 11.2M |
| 1996 | 4.26M | 2009 | 8.4M | 2022 | 10.3M |
| 1997 | 4.1M | 2010 | 8.24M | 2023 | 14.4M |
| 1998 | 4.51M | 2011 | 9.76M | 2024 | 16.8M |
| 1999 | 5M | 2012 | 9.74M | 2025 | 20.1M |
Show data table
| 1984 | 2.8% | 2000 | 1.2% | 2013 | 0.5% |
| 1985 | 2.5% | 2001 | 0.8% | 2014 | 0.5% |
| 1986 | 2.3% | 2002 | 0.7% | 2015 | 0.5% |
| 1987 | 2.1% | 2003 | 0.6% | 2016 | 0.6% |
| 1988 | 1.9% | 2004 | 0.6% | 2017 | 0.5% |
| 1992 | 1% | 2005 | 0.6% | 2018 | 0.5% |
| 1993 | 0.8% | 2006 | 0.6% | 2019 | 0.4% |
| 1994 | 0.8% | 2007 | 0.5% | 2020 | 0.6% |
| 1995 | 1.3% | 2008 | 0.5% | 2021 | 0.5% |
| 1996 | 0.8% | 2009 | 0.4% | 2022 | 0.5% |
| 1997 | 0.8% | 2010 | 0.5% | 2023 | 0.6% |
| 1998 | 0.9% | 2011 | 0.5% | 2024 | 0.6% |
| 1999 | 0.8% | 2012 | 0.5% | 2025 | 0.7% |