데이터 표
| 1989 | 14.1% | 2002 | 16.9% | 2015 | 17.9% |
| 1990 | 17.3% | 2003 | 16.9% | 2016 | 18.3% |
| 1991 | 17.8% | 2004 | 16.6% | 2017 | 18.7% |
| 1992 | 18% | 2005 | 17.1% | 2018 | 19.4% |
| 1993 | 18.2% | 2006 | 18.2% | 2019 | 20.2% |
| 1994 | 19.2% | 2007 | 17.9% | 2020 | 20.4% |
| 1995 | 19.1% | 2008 | 17.9% | 2021 | 21% |
| 1996 | 20.2% | 2009 | 16.6% | 2022 | 20.4% |
| 1997 | 20.7% | 2010 | 16.1% | 2023 | 20.3% |
| 1998 | 19% | 2011 | 16.8% | 2024 | 21.2% |
| 1999 | 18.5% | 2012 | 17.5% | 2025 | 20.3% |
| 2000 | 17.5% | 2013 | 17.7% | 2026 | 20.3% |
| 2001 | 17.5% | 2014 | 18.2% | | |
데이터 표
| 1989 | 1,490억 | 2002 | 7,331억 | 2015 | 2.5조 |
| 1990 | 2,123억 | 2003 | 7,983억 | 2016 | 2.76조 |
| 1991 | 2,530억 | 2004 | 8,818억 | 2017 | 3.1조 |
| 1992 | 2,773억 | 2005 | 1.01조 | 2018 | 3.55조 |
| 1993 | 3,065억 | 2006 | 1.19조 | 2019 | 3.95조 |
| 1994 | 3,718억 | 2007 | 1.29조 | 2020 | 3.66조 |
| 1995 | 4,154억 | 2008 | 1.44조 | 2021 | 4.07조 |
| 1996 | 5,002억 | 2009 | 1.4조 | 2022 | 4.5조 |
| 1997 | 5,728억 | 2010 | 1.51조 | 2023 | 4.93조 |
| 1998 | 5,796억 | 2011 | 1.71조 | 2024 | 5.61조 |
| 1999 | 6,180억 | 2012 | 1.93조 | 2025 | 5.68조 |
| 2000 | 6,484억 | 2013 | 2.13조 | 2026 | 6.14조 |
| 2001 | 7,052억 | 2014 | 2.4조 | | |
데이터 표
| 1989 | 15.7% | 2002 | 20.6% | 2015 | 17.8% |
| 1990 | 18.8% | 2003 | 20.4% | 2016 | 19% |
| 1991 | 18% | 2004 | 19.4% | 2017 | 19.5% |
| 1992 | 18.4% | 2005 | 18.7% | 2018 | 20.9% |
| 1993 | 17.6% | 2006 | 18.3% | 2019 | 21.7% |
| 1994 | 19.7% | 2007 | 18.2% | 2020 | 25.9% |
| 1995 | 19.1% | 2008 | 17.9% | 2021 | 27.2% |
| 1996 | 19.6% | 2009 | 19.2% | 2022 | 25.9% |
| 1997 | 20.3% | 2010 | 18.3% | 2023 | 24.7% |
| 1998 | 20.3% | 2011 | 17.2% | 2024 | 25.6% |
| 1999 | 20.7% | 2012 | 17.7% | 2025 | 24.3% |
| 2000 | 20.8% | 2013 | 17.3% | 2026 | 24% |
| 2001 | 21% | 2014 | 16.8% | | |
데이터 표
| 1989 | 1,663억 | 2002 | 8,944억 | 2015 | 2.48조 |
| 1990 | 2,310억 | 2003 | 9,630억 | 2016 | 2.88조 |
| 1991 | 2,567억 | 2004 | 1.03조 | 2017 | 3.22조 |
| 1992 | 2,840억 | 2005 | 1.11조 | 2018 | 3.82조 |
| 1993 | 2,959억 | 2006 | 1.2조 | 2019 | 4.24조 |
| 1994 | 3,804억 | 2007 | 1.31조 | 2020 | 4.65조 |
| 1995 | 4,158억 | 2008 | 1.44조 | 2021 | 5.28조 |
| 1996 | 4,868억 | 2009 | 1.61조 | 2022 | 5.7조 |
| 1997 | 5,626억 | 2010 | 1.72조 | 2023 | 6조 |
| 1998 | 6,195억 | 2011 | 1.75조 | 2024 | 6.78조 |
| 1999 | 6,946억 | 2012 | 1.96조 | 2025 | 6.8조 |
| 2000 | 7,694억 | 2013 | 2.09조 | 2026 | 7.25조 |
| 2001 | 8,458억 | 2014 | 2.22조 | | |