데이터 표
| 1993 | 8.16억 | 2004 | 20.4억 | 2015 | 17.8억 |
| 1994 | 9.38억 | 2005 | 24.4억 | 2016 | 19.6억 |
| 1995 | 10.7억 | 2006 | 24.5억 | 2017 | 20.9억 |
| 1996 | 11.2억 | 2007 | 27.1억 | 2018 | 27.5억 |
| 1997 | 9.88억 | 2008 | 29.2억 | 2019 | 29.8억 |
| 1998 | 11.7억 | 2009 | 27.2억 | 2020 | 32억 |
| 1999 | 12.1억 | 2010 | 25억 | 2021 | 39.2억 |
| 2000 | 11.6억 | 2011 | 24.7억 | 2022 | 38.9억 |
| 2001 | 11.8억 | 2012 | 22.2억 | 2023 | 45.4억 |
| 2002 | 14.9억 | 2013 | 21.5억 | 2024 | 65.1억 |
| 2003 | 18.9억 | 2014 | 20.2억 | 2025 | 70.5억 |
데이터 표
| 1993 | 2.3% | 2004 | 1.7% | 2015 | 0.9% |
| 1994 | 2.3% | 2005 | 1.8% | 2016 | 1% |
| 1995 | 1.8% | 2006 | 1.6% | 2017 | 0.9% |
| 1996 | 1.7% | 2007 | 1.4% | 2018 | 1.1% |
| 1997 | 1.6% | 2008 | 1.2% | 2019 | 1.2% |
| 1998 | 1.7% | 2009 | 1.3% | 2020 | 1.3% |
| 1999 | 1.8% | 2010 | 1.2% | 2021 | 1.3% |
| 2000 | 1.9% | 2011 | 1.1% | 2022 | 1.3% |
| 2001 | 1.7% | 2012 | 1.1% | 2023 | 1.3% |
| 2002 | 1.8% | 2013 | 1% | 2024 | 1.9% |
| 2003 | 1.9% | 2014 | 1% | 2025 | 1.8% |