데이터 표
| 1991 | 63.3% | 2003 | 52.6% | 2015 | 52.4% |
| 1992 | 62.1% | 2004 | 51.6% | 2016 | 58.9% |
| 1993 | 63.8% | 2005 | 50% | 2017 | 67.1% |
| 1994 | 63.9% | 2006 | 45.7% | 2018 | 72.9% |
| 1995 | 65.6% | 2007 | 42.7% | 2019 | 67.3% |
| 1996 | 66.8% | 2008 | 41.4% | 2020 | 77.7% |
| 1997 | 66.6% | 2009 | 40.3% | 2021 | 79.7% |
| 1998 | 58.2% | 2010 | 38.8% | 2022 | 83% |
| 1999 | 61.9% | 2011 | 43.3% | 2023 | 84% |
| 2000 | 62.9% | 2012 | 49% | 2024 | 85.7% |
| 2001 | 52.2% | 2013 | 45.6% | 2025 | 81.3% |
| 2002 | 51.6% | 2014 | 50.7% | 2026 | 84.9% |
데이터 표
| 1991 | 87.2억 | 2003 | 195억 | 2015 | 471억 |
| 1992 | 97.8억 | 2004 | 210억 | 2016 | 561억 |
| 1993 | 107억 | 2005 | 220억 | 2017 | 684억 |
| 1994 | 116억 | 2006 | 219억 | 2018 | 824억 |
| 1995 | 128억 | 2007 | 223억 | 2019 | 828억 |
| 1996 | 145억 | 2008 | 240억 | 2020 | 929억 |
| 1997 | 160억 | 2009 | 248억 | 2021 | 1,043억 |
| 1998 | 152억 | 2010 | 257억 | 2022 | 1,149억 |
| 1999 | 177억 | 2011 | 294억 | 2023 | 1,267억 |
| 2000 | 194억 | 2012 | 362억 | 2024 | 1,369억 |
| 2001 | 174억 | 2013 | 361억 | 2025 | 1,403억 |
| 2002 | 178억 | 2014 | 433억 | 2026 | 1,577억 |