데이터 표
| 1990 | 25.6% | 2003 | 26.4% | 2016 | 16.7% |
| 1991 | 25.1% | 2004 | 25.2% | 2017 | 17.3% |
| 1992 | 24% | 2005 | 26.7% | 2018 | 20.8% |
| 1993 | 23.9% | 2006 | 25.4% | 2019 | 22.7% |
| 1994 | 21% | 2007 | 23.9% | 2020 | 17.3% |
| 1995 | 21.1% | 2008 | 26.8% | 2021 | 20.1% |
| 1996 | 22.9% | 2009 | 19.2% | 2022 | 22.4% |
| 1997 | 24.6% | 2010 | 21.8% | 2023 | 19.4% |
| 1998 | 20.2% | 2011 | 25.3% | 2024 | 17.9% |
| 1999 | 22.2% | 2012 | 25.3% | 2025 | 16.4% |
| 2000 | 29.5% | 2013 | 23.4% | 2026 | 20% |
| 2001 | 27.2% | 2014 | 24% | | |
| 2002 | 27.3% | 2015 | 17.4% | | |
데이터 표
| 1990 | 4.98억 | 2003 | 11.5억 | 2016 | 21.3억 |
| 1991 | 5.12억 | 2004 | 13억 | 2017 | 24.2억 |
| 1992 | 5.12억 | 2005 | 16.7억 | 2018 | 30.9억 |
| 1993 | 5.62억 | 2006 | 18.4억 | 2019 | 34.5억 |
| 1994 | 5.27억 | 2007 | 20.4억 | 2020 | 23.3억 |
| 1995 | 5.61억 | 2008 | 27억 | 2021 | 30.8억 |
| 1996 | 6.34억 | 2009 | 17.3억 | 2022 | 39.1억 |
| 1997 | 7.06억 | 2010 | 22억 | 2023 | 33.6억 |
| 1998 | 5.54억 | 2011 | 28.4억 | 2024 | 31.8억 |
| 1999 | 6.6억 | 2012 | 30.5억 | 2025 | 29.4억 |
| 2000 | 10.5억 | 2013 | 29.8억 | 2026 | 36.7억 |
| 2001 | 9.81억 | 2014 | 31.3억 | | |
| 2002 | 10.3억 | 2015 | 21.3억 | | |
데이터 표
| 1990 | 32.4% | 2003 | 28.1% | 2016 | 33.3% |
| 1991 | 28.5% | 2004 | 25% | 2017 | 30.7% |
| 1992 | 29.4% | 2005 | 23.9% | 2018 | 32.1% |
| 1993 | 26.7% | 2006 | 23.1% | 2019 | 31.2% |
| 1994 | 26.1% | 2007 | 22.4% | 2020 | 34.6% |
| 1995 | 25.1% | 2008 | 22.7% | 2021 | 30.6% |
| 1996 | 22.7% | 2009 | 24.6% | 2022 | 28.4% |
| 1997 | 31% | 2010 | 31.1% | 2023 | 29% |
| 1998 | 25.7% | 2011 | 30.2% | 2024 | 28.9% |
| 1999 | 27.1% | 2012 | 31.1% | 2025 | 29.4% |
| 2000 | 22.2% | 2013 | 32% | 2026 | 30.6% |
| 2001 | 26.5% | 2014 | 27.3% | | |
| 2002 | 30.6% | 2015 | 34.8% | | |
데이터 표
| 1990 | 6.3억 | 2003 | 12.2억 | 2016 | 42.4억 |
| 1991 | 5.83억 | 2004 | 12.9억 | 2017 | 42.9억 |
| 1992 | 6.27억 | 2005 | 15억 | 2018 | 47.7억 |
| 1993 | 6.26억 | 2006 | 16.8억 | 2019 | 47.5억 |
| 1994 | 6.57억 | 2007 | 19.1억 | 2020 | 46.6억 |
| 1995 | 6.67억 | 2008 | 22.9억 | 2021 | 47억 |
| 1996 | 6.27억 | 2009 | 22.1억 | 2022 | 49.6억 |
| 1997 | 8.89억 | 2010 | 31.3억 | 2023 | 50.4억 |
| 1998 | 7.05억 | 2011 | 33.9억 | 2024 | 51.3억 |
| 1999 | 8.05억 | 2012 | 37.4억 | 2025 | 52.6억 |
| 2000 | 7.87억 | 2013 | 40.6억 | 2026 | 56.2억 |
| 2001 | 9.56억 | 2014 | 35.7억 | | |
| 2002 | 11.5억 | 2015 | 42.6억 | | |