데이터 표
| 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% | | |
데이터 표
| 1990 | 3,400만 | 2003 | 567억 | 2016 | 2,205억 |
| 1991 | 9,200만 | 2004 | 740억 | 2017 | 2,398억 |
| 1992 | 2.25억 | 2005 | 907억 | 2018 | 2,780억 |
| 1993 | 6.7억 | 2006 | 1,114억 | 2019 | 3,059억 |
| 1994 | 15.5억 | 2007 | 1,342억 | 2020 | 3,053억 |
| 1995 | 22.6억 | 2008 | 1,655억 | 2021 | 3,618억 |
| 1996 | 31.6억 | 2009 | 1,564억 | 2022 | 4,381억 |
| 1997 | 72.4억 | 2010 | 1,686억 | 2023 | 4,980억 |
| 1998 | 111억 | 2011 | 1,815억 | 2024 | 5,501억 |
| 1999 | 174억 | 2012 | 1,931억 | 2025 | 6,269억 |
| 2000 | 251억 | 2013 | 2,007억 | 2026 | 6,950억 |
| 2001 | 352억 | 2014 | 2,140억 | | |
| 2002 | 449억 | 2015 | 2,338억 | | |
데이터 표
| 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% | | |
데이터 표
| 1990 | 3,300만 | 2003 | 611억 | 2016 | 2,393억 |
| 1991 | 8,500만 | 2004 | 823억 | 2017 | 2,642억 |
| 1992 | 2.53억 | 2005 | 927억 | 2018 | 3,043억 |
| 1993 | 6.77억 | 2006 | 1,161억 | 2019 | 3,544억 |
| 1994 | 16.6억 | 2007 | 1,471억 | 2020 | 4,073억 |
| 1995 | 25.1억 | 2008 | 1,904억 | 2021 | 4,417억 |
| 1996 | 36.8억 | 2009 | 1,928억 | 2022 | 5,192억 |
| 1997 | 85.6억 | 2010 | 2,023억 | 2023 | 5,881억 |
| 1998 | 131억 | 2011 | 2,058억 | 2024 | 7,028억 |
| 1999 | 194억 | 2012 | 2,079억 | 2025 | 7,729억 |
| 2000 | 283억 | 2013 | 2,162억 | 2026 | 8,248억 |
| 2001 | 389억 | 2014 | 2,258억 | | |
| 2002 | 489억 | 2015 | 2,434억 | | |