데이터 표
| 1993 | 73.9% | 2005 | 64.7% | 2017 | 38.1% |
| 1994 | 63.6% | 2006 | 57.2% | 2018 | 37.1% |
| 1995 | 60.8% | 2007 | 50.2% | 2019 | 37% |
| 1996 | 53.1% | 2008 | 50% | 2020 | 51.6% |
| 1997 | 56.9% | 2009 | 49.8% | 2021 | 57% |
| 1998 | 50.8% | 2010 | 47.6% | 2022 | 57.4% |
| 1999 | 54.2% | 2011 | 45.4% | 2023 | 56.5% |
| 2000 | 59.2% | 2012 | 45.7% | 2024 | 56.6% |
| 2001 | 59.5% | 2013 | 43.9% | 2025 | 59.4% |
| 2002 | 65.2% | 2014 | 40.3% | 2026 | 60.2% |
| 2003 | 71.4% | 2015 | 39.7% | | |
| 2004 | 71.1% | 2016 | 37.4% | | |
데이터 표
| 1993 | 1.24조 | 2005 | 3.83조 | 2017 | 6.31조 |
| 1994 | 1.23조 | 2006 | 3.75조 | 2018 | 6.78조 |
| 1995 | 1.32조 | 2007 | 3.61조 | 2019 | 7.22조 |
| 1996 | 1.32조 | 2008 | 4.03조 | 2020 | 9.27조 |
| 1997 | 1.58조 | 2009 | 4.18조 | 2021 | 11.06조 |
| 1998 | 1.55조 | 2010 | 4.47조 | 2022 | 12.64조 |
| 1999 | 1.81조 | 2011 | 4.61조 | 2023 | 13.73조 |
| 2000 | 2.19조 | 2012 | 5.05조 | 2024 | 14.98조 |
| 2001 | 2.39조 | 2013 | 5.29조 | 2025 | 16.63조 |
| 2002 | 2.84조 | 2014 | 5.32조 | 2026 | 18.21조 |
| 2003 | 3.37조 | 2015 | 5.53조 | | |
| 2004 | 3.78조 | 2016 | 5.66조 | | |