表を表示
| 1990 | 27.5% | 2003 | 20.8% | 2016 | 21.3% |
| 1991 | 22.4% | 2004 | 20.9% | 2017 | 23.1% |
| 1992 | 22.2% | 2005 | 20.4% | 2018 | 24.4% |
| 1993 | 23.4% | 2006 | 20.5% | 2019 | 25.9% |
| 1994 | 23.1% | 2007 | 20.9% | 2020 | 25.5% |
| 1995 | 22.1% | 2008 | 23.1% | 2021 | 25.6% |
| 1996 | 21.5% | 2009 | 22.1% | 2022 | 29.6% |
| 1997 | 20.8% | 2010 | 23.5% | 2023 | 28.7% |
| 1998 | 21.3% | 2011 | 24.7% | 2024 | 29.4% |
| 1999 | 21% | 2012 | 23.5% | 2025 | 28.8% |
| 2000 | 20.8% | 2013 | 23.8% | 2026 | 28.7% |
| 2001 | 21.1% | 2014 | 24.6% | | |
| 2002 | 21.6% | 2015 | 22.5% | | |
表を表示
| 1990 | 34.1億 | 2003 | 77.3億 | 2016 | 203億 |
| 1991 | 30.8億 | 2004 | 85.2億 | 2017 | 236億 |
| 1992 | 35.1億 | 2005 | 89.8億 | 2018 | 276億 |
| 1993 | 39.4億 | 2006 | 98.5億 | 2019 | 319億 |
| 1994 | 41.7億 | 2007 | 109億 | 2020 | 304億 |
| 1995 | 43億 | 2008 | 134億 | 2021 | 335億 |
| 1996 | 46.7億 | 2009 | 136億 | 2022 | 409億 |
| 1997 | 50.1億 | 2010 | 156億 | 2023 | 432億 |
| 1998 | 55.6億 | 2011 | 167億 | 2024 | 470億 |
| 1999 | 59.8億 | 2012 | 173億 | 2025 | 497億 |
| 2000 | 64.3億 | 2013 | 188億 | 2026 | 533億 |
| 2001 | 70.3億 | 2014 | 210億 | | |
| 2002 | 74.5億 | 2015 | 202億 | | |
表を表示
| 1991 | 27.6% | 2003 | 23.5% | 2015 | 27.4% |
| 1992 | 25.7% | 2004 | 23% | 2016 | 27.2% |
| 1993 | 26.7% | 2005 | 23% | 2017 | 28.7% |
| 1994 | 25.9% | 2006 | 22.9% | 2018 | 28.7% |
| 1995 | 26.6% | 2007 | 23.3% | 2019 | 29.5% |
| 1996 | 26.7% | 2008 | 23.7% | 2020 | 34.5% |
| 1997 | 24.5% | 2009 | 24.6% | 2021 | 33.4% |
| 1998 | 24.2% | 2010 | 24% | 2022 | 36.6% |
| 1999 | 24% | 2011 | 27.9% | 2023 | 35.9% |
| 2000 | 24% | 2012 | 28.3% | 2024 | 35.8% |
| 2001 | 24% | 2013 | 30.8% | 2025 | 34% |
| 2002 | 24.1% | 2014 | 27.7% | 2026 | 36.1% |
表を表示
| 1991 | 38.1億 | 2003 | 87.1億 | 2015 | 246億 |
| 1992 | 40.5億 | 2004 | 93.8億 | 2016 | 259億 |
| 1993 | 44.8億 | 2005 | 101億 | 2017 | 293億 |
| 1994 | 46.9億 | 2006 | 110億 | 2018 | 324億 |
| 1995 | 51.8億 | 2007 | 122億 | 2019 | 363億 |
| 1996 | 58億 | 2008 | 137億 | 2020 | 413億 |
| 1997 | 59億 | 2009 | 152億 | 2021 | 437億 |
| 1998 | 63億 | 2010 | 159億 | 2022 | 506億 |
| 1999 | 68.5億 | 2011 | 189億 | 2023 | 542億 |
| 2000 | 74.2億 | 2012 | 209億 | 2024 | 572億 |
| 2001 | 79.9億 | 2013 | 244億 | 2025 | 587億 |
| 2002 | 83.3億 | 2014 | 236億 | 2026 | 670億 |