表を表示
| 1995 | 38.2% | 2006 | 36.3% | 2017 | 25% |
| 1996 | 38.3% | 2007 | 35.9% | 2018 | 24.8% |
| 1997 | 37.5% | 2008 | 34.5% | 2019 | 24.3% |
| 1998 | 36.2% | 2009 | 33% | 2020 | 21.8% |
| 1999 | 36% | 2010 | 32.8% | 2021 | 22.2% |
| 2000 | 35.4% | 2011 | 33.4% | 2022 | 22.2% |
| 2001 | 33.1% | 2012 | 33.9% | 2023 | 23.6% |
| 2002 | 32.4% | 2013 | 33.6% | 2024 | 26.4% |
| 2003 | 33% | 2014 | 33% | 2025 | 23.2% |
| 2004 | 34.1% | 2015 | 26.1% | 2026 | 23.1% |
| 2005 | 34.6% | 2016 | 26.8% | | |
表を表示
| 1980 | 49.3億 | 1996 | 231億 | 2012 | 598億 |
| 1981 | 61.3億 | 1997 | 260億 | 2013 | 614億 |
| 1982 | 76.7億 | 1998 | 292億 | 2014 | 663億 |
| 1983 | 88.4億 | 1999 | 334億 | 2015 | 711億 |
| 1984 | 98.3億 | 2000 | 384億 | 2016 | 738億 |
| 1985 | 120億 | 2001 | 405億 | 2017 | 770億 |
| 1986 | 124億 | 2002 | 440億 | 2018 | 832億 |
| 1987 | 127億 | 2003 | 481億 | 2019 | 883億 |
| 1988 | 139億 | 2004 | 533億 | 2020 | 833億 |
| 1989 | 142億 | 2005 | 589億 | 2021 | 997億 |
| 1990 | 155億 | 2006 | 672億 | 2022 | 1,158億 |
| 1991 | 166億 | 2007 | 708億 | 2023 | 1,238億 |
| 1992 | 180億 | 2008 | 647億 | 2024 | 1,486億 |
| 1993 | 185億 | 2009 | 559億 | 2025 | 1,473億 |
| 1994 | 201億 | 2010 | 549億 | 2026 | 1,528億 |
| 1995 | 210億 | 2011 | 578億 | | |
表を表示
| 1995 | 40.3% | 2006 | 33.6% | 2017 | 25.3% |
| 1996 | 38.5% | 2007 | 35.6% | 2018 | 24.7% |
| 1997 | 36.1% | 2008 | 41.6% | 2019 | 23.9% |
| 1998 | 34.2% | 2009 | 46.9% | 2020 | 26.7% |
| 1999 | 32.5% | 2010 | 64.9% | 2021 | 23.5% |
| 2000 | 30.6% | 2011 | 46.9% | 2022 | 20.7% |
| 2001 | 32.2% | 2012 | 42.3% | 2023 | 22.2% |
| 2002 | 32.9% | 2013 | 39.8% | 2024 | 22.4% |
| 2003 | 32.7% | 2014 | 36.6% | 2025 | 21.6% |
| 2004 | 32.8% | 2015 | 28.1% | 2026 | 22.6% |
| 2005 | 33% | 2016 | 27.5% | | |
表を表示
| 1980 | 63.2億 | 1996 | 232億 | 2012 | 747億 |
| 1981 | 79.3億 | 1997 | 250億 | 2013 | 729億 |
| 1982 | 99.5億 | 1998 | 275億 | 2014 | 733億 |
| 1983 | 110億 | 1999 | 302億 | 2015 | 764億 |
| 1984 | 119億 | 2000 | 332億 | 2016 | 759億 |
| 1985 | 146億 | 2001 | 393億 | 2017 | 780億 |
| 1986 | 151億 | 2002 | 447億 | 2018 | 829億 |
| 1987 | 150億 | 2003 | 476億 | 2019 | 868億 |
| 1988 | 152億 | 2004 | 513億 | 2020 | 1,019億 |
| 1989 | 149億 | 2005 | 562億 | 2021 | 1,055億 |
| 1990 | 164億 | 2006 | 621億 | 2022 | 1,076億 |
| 1991 | 177億 | 2007 | 702億 | 2023 | 1,166億 |
| 1992 | 191億 | 2008 | 778億 | 2024 | 1,260億 |
| 1993 | 196億 | 2009 | 795億 | 2025 | 1,375億 |
| 1994 | 209億 | 2010 | 1,086億 | 2026 | 1,491億 |
| 1995 | 221億 | 2011 | 811億 | | |