데이터 표
| 1990 | 8.8% | 2003 | 10.2% | 2016 | 16.7% |
| 1991 | 9.6% | 2004 | 10.5% | 2017 | 17% |
| 1992 | 9.6% | 2005 | 11.7% | 2018 | 16.2% |
| 1993 | 10.5% | 2006 | 12.8% | 2019 | 18.6% |
| 1994 | 11.3% | 2007 | 12.9% | 2020 | 17.7% |
| 1995 | 11.7% | 2008 | 13.5% | 2021 | 17% |
| 1996 | 11.4% | 2009 | 12.8% | 2022 | 20.1% |
| 1997 | 11.3% | 2010 | 12.9% | 2023 | 19.6% |
| 1998 | 11.6% | 2011 | 14.2% | 2024 | 19.8% |
| 1999 | 11.1% | 2012 | 13.7% | 2025 | 21% |
| 2000 | 11.7% | 2013 | 13.1% | 2026 | 22% |
| 2001 | 11.7% | 2014 | 13.6% | | |
| 2002 | 10% | 2015 | 15.1% | | |
데이터 표
| 1990 | 4.57억 | 2003 | 9.02억 | 2016 | 19.9억 |
| 1991 | 4.98억 | 2004 | 9.44억 | 2017 | 20.7억 |
| 1992 | 4.9억 | 2005 | 11.1억 | 2018 | 20.4억 |
| 1993 | 5.35억 | 2006 | 12.8억 | 2019 | 24.3억 |
| 1994 | 5.94억 | 2007 | 13.4억 | 2020 | 20.8억 |
| 1995 | 6.46억 | 2008 | 14.3억 | 2021 | 19.1억 |
| 1996 | 6.59억 | 2009 | 13.2억 | 2022 | 26.1억 |
| 1997 | 6.92억 | 2010 | 12.9억 | 2023 | 28.6억 |
| 1998 | 7.64억 | 2011 | 14.3억 | 2024 | 30.8억 |
| 1999 | 8.04억 | 2012 | 14.3억 | 2025 | 34억 |
| 2000 | 9.18억 | 2013 | 13.8억 | 2026 | 36.9억 |
| 2001 | 9.58억 | 2014 | 14.7억 | | |
| 2002 | 8.57억 | 2015 | 17.3억 | | |
데이터 표
| 1990 | 11.4% | 2003 | 11.8% | 2016 | 19.4% |
| 1991 | 11.9% | 2004 | 12.5% | 2017 | 23.1% |
| 1992 | 11.8% | 2005 | 12.9% | 2018 | 19.4% |
| 1993 | 11.5% | 2006 | 13.2% | 2019 | 20.3% |
| 1994 | 11.7% | 2007 | 13.6% | 2020 | 24.8% |
| 1995 | 11.5% | 2008 | 14.3% | 2021 | 28.9% |
| 1996 | 11.5% | 2009 | 15.2% | 2022 | 25.6% |
| 1997 | 12.9% | 2010 | 15.4% | 2023 | 23.2% |
| 1998 | 12% | 2011 | 17.1% | 2024 | 21% |
| 1999 | 9.3% | 2012 | 17% | 2025 | 21.5% |
| 2000 | 11.6% | 2013 | 18.1% | 2026 | 22.3% |
| 2001 | 11.4% | 2014 | 18.1% | | |
| 2002 | 11.6% | 2015 | 18.4% | | |
데이터 표
| 1990 | 5.95억 | 2003 | 10.5억 | 2016 | 23억 |
| 1991 | 6.15억 | 2004 | 11.2억 | 2017 | 28.1억 |
| 1992 | 6.05억 | 2005 | 12.1억 | 2018 | 24.6억 |
| 1993 | 5.88억 | 2006 | 13.2억 | 2019 | 26.5억 |
| 1994 | 6.15억 | 2007 | 14.2억 | 2020 | 29.2억 |
| 1995 | 6.36억 | 2008 | 15.2억 | 2021 | 32.4억 |
| 1996 | 6.68억 | 2009 | 15.6억 | 2022 | 33.3억 |
| 1997 | 7.91억 | 2010 | 15.5억 | 2023 | 33.9억 |
| 1998 | 7.92억 | 2011 | 17.2억 | 2024 | 32.6억 |
| 1999 | 6.75억 | 2012 | 17.6억 | 2025 | 34.8억 |
| 2000 | 9.11억 | 2013 | 19.2억 | 2026 | 37.4억 |
| 2001 | 9.33억 | 2014 | 19.6억 | | |
| 2002 | 10억 | 2015 | 21.2억 | | |