表を表示
| 1990 | 13.2% | 2003 | 20.8% | 2016 | 51.1% |
| 1991 | 15.3% | 2004 | 21.6% | 2017 | 54.6% |
| 1992 | 17.9% | 2005 | 23% | 2018 | 61.5% |
| 1993 | 19.7% | 2006 | 23.2% | 2019 | 60.3% |
| 1994 | 20.9% | 2007 | 23.5% | 2020 | 71.9% |
| 1995 | 21% | 2008 | 25.3% | 2021 | 90.7% |
| 1996 | 20.7% | 2009 | 30.1% | 2022 | 84.7% |
| 1997 | 21.5% | 2010 | 33.9% | 2023 | 78.3% |
| 1998 | 20.8% | 2011 | 35.3% | 2024 | 73.8% |
| 1999 | 19.8% | 2012 | 37.6% | 2025 | 73.8% |
| 2000 | 19.2% | 2013 | 44.2% | 2026 | 71.9% |
| 2001 | 18.5% | 2014 | 47.7% | | |
| 2002 | 19.4% | 2015 | 49.9% | | |
表を表示
| 1990 | 6.9億 | 2003 | 18.5億 | 2016 | 60.6億 |
| 1991 | 7.89億 | 2004 | 19.4億 | 2017 | 66.5億 |
| 1992 | 9.16億 | 2005 | 21.7億 | 2018 | 77.7億 |
| 1993 | 10.1億 | 2006 | 23.2億 | 2019 | 78.7億 |
| 1994 | 11億 | 2007 | 24.4億 | 2020 | 84.8億 |
| 1995 | 11.6億 | 2008 | 26.8億 | 2021 | 102億 |
| 1996 | 12億 | 2009 | 30.9億 | 2022 | 110億 |
| 1997 | 13.2億 | 2010 | 34億 | 2023 | 114億 |
| 1998 | 13.7億 | 2011 | 35.6億 | 2024 | 115億 |
| 1999 | 14.3億 | 2012 | 39.1億 | 2025 | 119億 |
| 2000 | 15.1億 | 2013 | 46.9億 | 2026 | 121億 |
| 2001 | 15.2億 | 2014 | 51.6億 | | |
| 2002 | 16.7億 | 2015 | 57.4億 | | |