데이터 표
| 1991 | 39% | 2003 | 63.3% | 2015 | 71.2% |
| 1992 | 41.4% | 2004 | 65% | 2016 | 68.3% |
| 1993 | 45.1% | 2005 | 67.1% | 2017 | 64% |
| 1994 | 47.5% | 2006 | 66.4% | 2018 | 60.8% |
| 1995 | 54.9% | 2007 | 63.7% | 2019 | 58.7% |
| 1996 | 57.7% | 2008 | 65.2% | 2020 | 68% |
| 1997 | 58.8% | 2009 | 72.4% | 2021 | 67.9% |
| 1998 | 59.4% | 2010 | 81% | 2022 | 64.4% |
| 1999 | 60.3% | 2011 | 78.5% | 2023 | 62.3% |
| 2000 | 59.2% | 2012 | 79.8% | 2024 | 62.2% |
| 2001 | 58.1% | 2013 | 77.5% | 2025 | 62.9% |
| 2002 | 59.8% | 2014 | 74.5% | 2026 | 64.6% |
데이터 표
| 1991 | 6,210억 | 2003 | 1.42조 | 2015 | 2.2조 |
| 1992 | 7,083억 | 2004 | 1.49조 | 2016 | 2.18조 |
| 1993 | 7,923억 | 2005 | 1.56조 | 2017 | 2.13조 |
| 1994 | 8,725억 | 2006 | 1.61조 | 2018 | 2.09조 |
| 1995 | 1.04조 | 2007 | 1.62조 | 2019 | 2.08조 |
| 1996 | 1.11조 | 2008 | 1.69조 | 2020 | 2.35조 |
| 1997 | 1.16조 | 2009 | 1.8조 | 2021 | 2.5조 |
| 1998 | 1.2조 | 2010 | 2.12조 | 2022 | 2.57조 |
| 1999 | 1.25조 | 2011 | 2.16조 | 2023 | 2.63조 |
| 2000 | 1.26조 | 2012 | 2.23조 | 2024 | 2.69조 |
| 2001 | 1.27조 | 2013 | 2.22조 | 2025 | 2.81조 |
| 2002 | 1.33조 | 2014 | 2.22조 | 2026 | 2.99조 |
데이터 표
| 1995 | 41.4% | 2006 | 56% | 2017 | 44.7% |
| 1996 | 44.3% | 2007 | 53.1% | 2018 | 42.1% |
| 1997 | 45.5% | 2008 | 52.8% | 2019 | 39.8% |
| 1998 | 46.9% | 2009 | 59.5% | 2020 | 45.3% |
| 1999 | 48.2% | 2010 | 61.3% | 2021 | 46.2% |
| 2000 | 45% | 2011 | 59.5% | 2022 | 45.8% |
| 2001 | 46.2% | 2012 | 58.8% | 2023 | 45.7% |
| 2002 | 48.7% | 2013 | 57.9% | 2024 | 46% |
| 2003 | 52.4% | 2014 | 54.5% | 2025 | 47.2% |
| 2004 | 54.8% | 2015 | 51.7% | 2026 | 49.4% |
| 2005 | 57.2% | 2016 | 48.9% | | |
데이터 표
| 1995 | 7,872억 | 2006 | 1.36조 | 2017 | 1.49조 |
| 1996 | 8,543억 | 2007 | 1.35조 | 2018 | 1.45조 |
| 1997 | 8,959억 | 2008 | 1.37조 | 2019 | 1.41조 |
| 1998 | 9,490억 | 2009 | 1.48조 | 2020 | 1.56조 |
| 1999 | 1조 | 2010 | 1.6조 | 2021 | 1.7조 |
| 2000 | 9,583억 | 2011 | 1.63조 | 2022 | 1.83조 |
| 2001 | 1.01조 | 2012 | 1.65조 | 2023 | 1.93조 |
| 2002 | 1.08조 | 2013 | 1.66조 | 2024 | 1.99조 |
| 2003 | 1.17조 | 2014 | 1.63조 | 2025 | 2.11조 |
| 2004 | 1.26조 | 2015 | 1.6조 | 2026 | 2.28조 |
| 2005 | 1.33조 | 2016 | 1.56조 | | |