表を表示
| 1990 | 39.4% | 2003 | 29.5% | 2016 | 29.3% |
| 1991 | 41.5% | 2004 | 30.3% | 2017 | 28.2% |
| 1992 | 37% | 2005 | 31.6% | 2018 | 29.2% |
| 1993 | 33.1% | 2006 | 32.5% | 2019 | 28.9% |
| 1994 | 30.9% | 2007 | 31.5% | 2020 | 28.7% |
| 1995 | 31.1% | 2008 | 30.7% | 2021 | 30.5% |
| 1996 | 28.7% | 2009 | 29.5% | 2022 | 31.6% |
| 1997 | 28.3% | 2010 | 31.2% | 2023 | 31.3% |
| 1998 | 29.4% | 2011 | 30.9% | 2024 | 31.3% |
| 1999 | 31.5% | 2012 | 31.1% | 2025 | 32.8% |
| 2000 | 31% | 2013 | 31.8% | 2026 | 33.5% |
| 2001 | 30% | 2014 | 32% | | |
| 2002 | 29.5% | 2015 | 32.8% | | |
表を表示
| 1990 | 3,400万 | 2003 | 567億 | 2016 | 2,205億 |
| 1991 | 9,200万 | 2004 | 740億 | 2017 | 2,398億 |
| 1992 | 2.25億 | 2005 | 907億 | 2018 | 2,780億 |
| 1993 | 6.7億 | 2006 | 1,114億 | 2019 | 3,059億 |
| 1994 | 15.5億 | 2007 | 1,342億 | 2020 | 3,053億 |
| 1995 | 22.6億 | 2008 | 1,655億 | 2021 | 3,618億 |
| 1996 | 31.6億 | 2009 | 1,564億 | 2022 | 4,381億 |
| 1997 | 72.4億 | 2010 | 1,686億 | 2023 | 4,980億 |
| 1998 | 111億 | 2011 | 1,815億 | 2024 | 5,501億 |
| 1999 | 174億 | 2012 | 1,931億 | 2025 | 6,269億 |
| 2000 | 251億 | 2013 | 2,007億 | 2026 | 6,950億 |
| 2001 | 352億 | 2014 | 2,140億 | | |
| 2002 | 449億 | 2015 | 2,338億 | | |
表を表示
| 1990 | 38.4% | 2003 | 31.8% | 2016 | 31.8% |
| 1991 | 38.3% | 2004 | 33.7% | 2017 | 31% |
| 1992 | 41.5% | 2005 | 32.3% | 2018 | 31.9% |
| 1993 | 33.5% | 2006 | 33.9% | 2019 | 33.4% |
| 1994 | 33.1% | 2007 | 34.6% | 2020 | 38.3% |
| 1995 | 34.4% | 2008 | 35.3% | 2021 | 37.2% |
| 1996 | 33.5% | 2009 | 36.3% | 2022 | 37.5% |
| 1997 | 33.5% | 2010 | 37.4% | 2023 | 37% |
| 1998 | 34.7% | 2011 | 35% | 2024 | 40% |
| 1999 | 35.1% | 2012 | 33.5% | 2025 | 40.5% |
| 2000 | 35% | 2013 | 34.2% | 2026 | 39.7% |
| 2001 | 33.2% | 2014 | 33.8% | | |
| 2002 | 32.1% | 2015 | 34.2% | | |
表を表示
| 1990 | 3,300万 | 2003 | 611億 | 2016 | 2,393億 |
| 1991 | 8,500万 | 2004 | 823億 | 2017 | 2,642億 |
| 1992 | 2.53億 | 2005 | 927億 | 2018 | 3,043億 |
| 1993 | 6.77億 | 2006 | 1,160億 | 2019 | 3,544億 |
| 1994 | 16.6億 | 2007 | 1,471億 | 2020 | 4,073億 |
| 1995 | 25.1億 | 2008 | 1,904億 | 2021 | 4,417億 |
| 1996 | 36.8億 | 2009 | 1,928億 | 2022 | 5,192億 |
| 1997 | 85.6億 | 2010 | 2,023億 | 2023 | 5,880億 |
| 1998 | 131億 | 2011 | 2,058億 | 2024 | 7,028億 |
| 1999 | 194億 | 2012 | 2,079億 | 2025 | 7,729億 |
| 2000 | 283億 | 2013 | 2,162億 | 2026 | 8,248億 |
| 2001 | 389億 | 2014 | 2,258億 | | |
| 2002 | 489億 | 2015 | 2,434億 | | |