表を表示
| 1990 | 21.2% | 2003 | 25.9% | 2016 | 26.2% |
| 1991 | 22.5% | 2004 | 24.1% | 2017 | 25.6% |
| 1992 | 20.3% | 2005 | 27.5% | 2018 | 27% |
| 1993 | 23% | 2006 | 27.1% | 2019 | 26.6% |
| 1994 | 21.9% | 2007 | 21.8% | 2020 | 28.1% |
| 1995 | 22.8% | 2008 | 24.2% | 2021 | 31.6% |
| 1996 | 23.2% | 2009 | 22.8% | 2022 | 32.9% |
| 1997 | 21.6% | 2010 | 23.9% | 2023 | 36.6% |
| 1998 | 22.9% | 2011 | 23.5% | 2024 | 45.2% |
| 1999 | 22% | 2012 | 20.8% | 2025 | 34.1% |
| 2000 | 23.5% | 2013 | 20.9% | 2026 | 31.7% |
| 2001 | 23.5% | 2014 | 24.5% | | |
| 2002 | 21.8% | 2015 | 24.5% | | |
表を表示
| 1990 | 1.59億 | 2003 | 4.13億 | 2016 | 7.52億 |
| 1991 | 1.83億 | 2004 | 3.91億 | 2017 | 7.78億 |
| 1992 | 1.7億 | 2005 | 5.16億 | 2018 | 8.5億 |
| 1993 | 1.92億 | 2006 | 5.12億 | 2019 | 8.72億 |
| 1994 | 1.92億 | 2007 | 4.46億 | 2020 | 7.93億 |
| 1995 | 2.1億 | 2008 | 5.39億 | 2021 | 9.57億 |
| 1996 | 2.3億 | 2009 | 4.74億 | 2022 | 10.9億 |
| 1997 | 2.29億 | 2010 | 4.98億 | 2023 | 13.2億 |
| 1998 | 2.76億 | 2011 | 4.93億 | 2024 | 16.5億 |
| 1999 | 2.87億 | 2012 | 4.49億 | 2025 | 13.1億 |
| 2000 | 3.3億 | 2013 | 4.75億 | 2026 | 12.7億 |
| 2001 | 3.3億 | 2014 | 6.03億 | | |
| 2002 | 3.19億 | 2015 | 6.58億 | | |
表を表示
| 1990 | 29% | 2003 | 28.7% | 2016 | 23.5% |
| 1991 | 26.8% | 2004 | 24.7% | 2017 | 22.6% |
| 1992 | 21.8% | 2005 | 26.6% | 2018 | 22.1% |
| 1993 | 23.1% | 2006 | 32.4% | 2019 | 21.6% |
| 1994 | 24.7% | 2007 | 27.7% | 2020 | 32.7% |
| 1995 | 23.2% | 2008 | 27.9% | 2021 | 31.3% |
| 1996 | 26.3% | 2009 | 27.2% | 2022 | 32% |
| 1997 | 26.6% | 2010 | 28% | 2023 | 28.7% |
| 1998 | 25.3% | 2011 | 28.3% | 2024 | 38.3% |
| 1999 | 23.7% | 2012 | 26.2% | 2025 | 39.1% |
| 2000 | 25.6% | 2013 | 28.1% | 2026 | 36.9% |
| 2001 | 29.6% | 2014 | 28.7% | | |
| 2002 | 35.7% | 2015 | 25.3% | | |
表を表示
| 1990 | 2.18億 | 2003 | 4.58億 | 2016 | 6.74億 |
| 1991 | 2.18億 | 2004 | 4億 | 2017 | 6.86億 |
| 1992 | 1.83億 | 2005 | 4.99億 | 2018 | 6.95億 |
| 1993 | 1.93億 | 2006 | 6.11億 | 2019 | 7.09億 |
| 1994 | 2.17億 | 2007 | 5.67億 | 2020 | 9.21億 |
| 1995 | 2.15億 | 2008 | 6.22億 | 2021 | 9.47億 |
| 1996 | 2.6億 | 2009 | 5.66億 | 2022 | 10.6億 |
| 1997 | 2.81億 | 2010 | 5.82億 | 2023 | 10.3億 |
| 1998 | 3.05億 | 2011 | 5.95億 | 2024 | 14億 |
| 1999 | 3.09億 | 2012 | 5.66億 | 2025 | 15億 |
| 2000 | 3.6億 | 2013 | 6.4億 | 2026 | 14.8億 |
| 2001 | 4.15億 | 2014 | 7.06億 | | |
| 2002 | 5.22億 | 2015 | 6.8億 | | |