데이터 표
| 1994 | 1.07억 | 2005 | 5.92억 | 2016 | 12.8억 |
| 1995 | 1.78억 | 2006 | 7.93억 | 2017 | 13.9억 |
| 1996 | 2.42억 | 2007 | 13.6억 | 2018 | 15억 |
| 1997 | 2.37억 | 2008 | 15.4억 | 2019 | 18.5억 |
| 1998 | 2.43억 | 2009 | 12.7억 | 2020 | 15.5억 |
| 1999 | 1.44억 | 2010 | 15억 | 2021 | 16.1억 |
| 2000 | 1.44억 | 2011 | 18억 | 2022 | 11.7억 |
| 2001 | 2.21억 | 2012 | 21.8억 | 2023 | 11.6억 |
| 2002 | 2.46억 | 2013 | 25.5억 | 2024 | 11.7억 |
| 2003 | 3.18억 | 2014 | 23.1억 | 2025 | 13.1억 |
| 2004 | 4.26억 | 2015 | 20.5억 | | |
데이터 표
| 1993 | 1.1% | 2004 | 1% | 2015 | 1.1% |
| 1994 | 0.8% | 2005 | 1% | 2016 | 0.9% |
| 1995 | 1% | 2006 | 1% | 2017 | 0.8% |
| 1996 | 1.2% | 2007 | 1.3% | 2018 | 0.8% |
| 1997 | 1.1% | 2008 | 1.2% | 2019 | 1% |
| 1998 | 1.1% | 2009 | 1.1% | 2020 | 0.9% |
| 1999 | 0.8% | 2010 | 1% | 2021 | 0.8% |
| 2000 | 0.8% | 2011 | 0.9% | 2022 | 0.5% |
| 2001 | 1% | 2012 | 1% | 2023 | 0.4% |
| 2002 | 1% | 2013 | 1.1% | 2024 | 0.4% |
| 2003 | 1% | 2014 | 1% | 2025 | 0.4% |