데이터 표
| 1990 | 18.8% | 2003 | 29% | 2016 | 17.1% |
| 1991 | 23.1% | 2004 | 27.9% | 2017 | 16.4% |
| 1992 | 21.6% | 2005 | 28.7% | 2018 | 16.9% |
| 1993 | 21.5% | 2006 | 29.8% | 2019 | 19.5% |
| 1994 | 22.4% | 2007 | 27.5% | 2020 | 17.6% |
| 1995 | 27.7% | 2008 | 29.9% | 2021 | 15.3% |
| 1996 | 24.3% | 2009 | 29.4% | 2022 | 18.8% |
| 1997 | 31.1% | 2010 | 25.8% | 2023 | 23.3% |
| 1998 | 32.4% | 2011 | 23.5% | 2024 | 21.5% |
| 1999 | 26.6% | 2012 | 30.2% | 2025 | 20.2% |
| 2000 | 31.4% | 2013 | 31.6% | 2026 | 19.6% |
| 2001 | 31.9% | 2014 | 29.7% | | |
| 2002 | 29.4% | 2015 | 21.1% | | |
데이터 표
| 1990 | 3,237억 | 2003 | 1.1조 | 2016 | 1.42조 |
| 1991 | 3,742억 | 2004 | 1.14조 | 2017 | 1.42조 |
| 1992 | 3,411억 | 2005 | 1.43조 | 2018 | 1.58조 |
| 1993 | 3,509억 | 2006 | 1.58조 | 2019 | 1.93조 |
| 1994 | 5,545억 | 2007 | 1.64조 | 2020 | 1.55조 |
| 1995 | 7,306억 | 2008 | 2.08조 | 2021 | 1.65조 |
| 1996 | 7,551억 | 2009 | 1.69조 | 2022 | 2.39조 |
| 1997 | 1.03조 | 2010 | 1.83조 | 2023 | 2.83조 |
| 1998 | 9,121억 | 2011 | 2.02조 | 2024 | 2.72조 |
| 1999 | 8,136억 | 2012 | 2.64조 | 2025 | 2.53조 |
| 2000 | 1.21조 | 2013 | 2.75조 | 2026 | 2.55조 |
| 2001 | 1.17조 | 2014 | 2.67조 | | |
| 2002 | 1.09조 | 2015 | 1.8조 | | |
데이터 표
| 1990 | 22.6% | 2003 | 21.3% | 2016 | 21.8% |
| 1991 | 25.1% | 2004 | 20.9% | 2017 | 18.1% |
| 1992 | 26.5% | 2005 | 20.8% | 2018 | 17.1% |
| 1993 | 26.9% | 2006 | 21.1% | 2019 | 17.4% |
| 1994 | 23.9% | 2007 | 19.4% | 2020 | 19.8% |
| 1995 | 25.1% | 2008 | 18.9% | 2021 | 17.3% |
| 1996 | 22.2% | 2009 | 22.6% | 2022 | 19.7% |
| 1997 | 29.7% | 2010 | 23.1% | 2023 | 21.5% |
| 1998 | 45.5% | 2011 | 22.1% | 2024 | 24.8% |
| 1999 | 25.5% | 2012 | 24% | 2025 | 28.6% |
| 2000 | 20.3% | 2013 | 34.7% | 2026 | 29.6% |
| 2001 | 27.8% | 2014 | 23.8% | | |
| 2002 | 25.7% | 2015 | 22.3% | | |
데이터 표
| 1990 | 3,899억 | 2003 | 8,024억 | 2016 | 1.82조 |
| 1991 | 4,071억 | 2004 | 8,553억 | 2017 | 1.57조 |
| 1992 | 4,183억 | 2005 | 1.04조 | 2018 | 1.6조 |
| 1993 | 4,382억 | 2006 | 1.12조 | 2019 | 1.72조 |
| 1994 | 5,924억 | 2007 | 1.16조 | 2020 | 1.75조 |
| 1995 | 6,609억 | 2008 | 1.31조 | 2021 | 1.86조 |
| 1996 | 6,895억 | 2009 | 1.3조 | 2022 | 2.51조 |
| 1997 | 9,832억 | 2010 | 1.64조 | 2023 | 2.61조 |
| 1998 | 1.28조 | 2011 | 1.89조 | 2024 | 3.14조 |
| 1999 | 7,795억 | 2012 | 2.1조 | 2025 | 3.6조 |
| 2000 | 7,799억 | 2013 | 3.01조 | 2026 | 3.84조 |
| 2001 | 1.02조 | 2014 | 2.14조 | | |
| 2002 | 9,521억 | 2015 | 1.89조 | | |