데이터 표
| 1980 | 42.5% | 1996 | 43.5% | 2012 | 84.1% |
| 1981 | 44.7% | 1997 | 43.9% | 2013 | 84.9% |
| 1982 | 42.9% | 1998 | 41.8% | 2014 | 86.5% |
| 1983 | 41.8% | 1999 | 40.3% | 2015 | 87.3% |
| 1984 | 42.1% | 2000 | 37.5% | 2016 | 87.3% |
| 1985 | 41.2% | 2001 | 34.8% | 2017 | 86.1% |
| 1986 | 41.2% | 2002 | 35.3% | 2018 | 85.6% |
| 1987 | 39.2% | 2003 | 36.6% | 2019 | 84.9% |
| 1988 | 37% | 2004 | 39.7% | 2020 | 104.8% |
| 1989 | 32.4% | 2005 | 40.9% | 2021 | 103.4% |
| 1990 | 28.4% | 2006 | 41.9% | 2022 | 97.5% |
| 1991 | 28.4% | 2007 | 43% | 2023 | 98.9% |
| 1992 | 33.1% | 2008 | 50.6% | 2024 | 99.9% |
| 1993 | 37.8% | 2009 | 64.5% | 2025 | 102.3% |
| 1994 | 40.6% | 2010 | 75.5% | 2026 | 103.6% |
| 1995 | 43.5% | 2011 | 81.1% | | |
데이터 표
| 1980 | 1,105억 | 1996 | 3,978억 | 2012 | 1.45조 |
| 1981 | 1,298억 | 1997 | 4,208억 | 2013 | 1.52조 |
| 1982 | 1,374억 | 1998 | 4,191억 | 2014 | 1.62조 |
| 1983 | 1,469억 | 1999 | 4,216억 | 2015 | 1.68조 |
| 1984 | 1,595억 | 2000 | 4,148억 | 2016 | 1.75조 |
| 1985 | 1,712억 | 2001 | 4,007억 | 2017 | 1.81조 |
| 1986 | 1,843억 | 2002 | 4,222억 | 2018 | 1.86조 |
| 1987 | 1,952억 | 2003 | 4,626억 | 2019 | 1.91조 |
| 1988 | 2,060억 | 2004 | 5,264억 | 2020 | 2.23조 |
| 1989 | 2,000억 | 2005 | 5,735억 | 2021 | 2.4조 |
| 1990 | 1,910억 | 2006 | 6,191억 | 2022 | 2.52조 |
| 1991 | 2,010억 | 2007 | 6,669억 | 2023 | 2.72조 |
| 1992 | 2,429억 | 2008 | 8,100억 | 2024 | 2.89조 |
| 1993 | 2,922억 | 2009 | 1.01조 | 2025 | 3.11조 |
| 1994 | 3,302억 | 2010 | 1.22조 | 2026 | 3.25조 |
| 1995 | 3,719억 | 2011 | 1.35조 | | |
데이터 표
| 1980 | 41.8% | 1996 | 43.1% | 2012 | 75.7% |
| 1981 | 44% | 1997 | 40.1% | 2013 | 76.7% |
| 1982 | 43.8% | 1998 | 38.1% | 2014 | 78.4% |
| 1983 | 42.3% | 1999 | 36.9% | 2015 | 78.9% |
| 1984 | 42.8% | 2000 | 31.6% | 2016 | 78.3% |
| 1985 | 42.5% | 2001 | 30.4% | 2017 | 76.7% |
| 1986 | 41.4% | 2002 | 31.2% | 2018 | 75.9% |
| 1987 | 38.5% | 2003 | 32.9% | 2019 | 75.1% |
| 1988 | 34.7% | 2004 | 35.8% | 2020 | 92.2% |
| 1989 | 29.3% | 2005 | 37% | 2021 | 90.2% |
| 1990 | 26.1% | 2006 | 37.5% | 2022 | 87.9% |
| 1991 | 25.1% | 2007 | 37.9% | 2023 | 90.4% |
| 1992 | 26.6% | 2008 | 44.8% | 2024 | 92.4% |
| 1993 | 31% | 2009 | 57.8% | 2025 | 93.8% |
| 1994 | 36.1% | 2010 | 68.5% | 2026 | 95.5% |
| 1995 | 40.1% | 2011 | 72.9% | | |
데이터 표
| 1980 | 1,087억 | 1996 | 3,934억 | 2012 | 1.3조 |
| 1981 | 1,279억 | 1997 | 3,840억 | 2013 | 1.37조 |
| 1982 | 1,402억 | 1998 | 3,825억 | 2014 | 1.47조 |
| 1983 | 1,490억 | 1999 | 3,867억 | 2015 | 1.52조 |
| 1984 | 1,622억 | 2000 | 3,495억 | 2016 | 1.57조 |
| 1985 | 1,766억 | 2001 | 3,501억 | 2017 | 1.61조 |
| 1986 | 1,854억 | 2002 | 3,731억 | 2018 | 1.65조 |
| 1987 | 1,919억 | 2003 | 4,148억 | 2019 | 1.69조 |
| 1988 | 1,936억 | 2004 | 4,749억 | 2020 | 1.96조 |
| 1989 | 1,805억 | 2005 | 5,187억 | 2021 | 2.09조 |
| 1990 | 1,753억 | 2006 | 5,546억 | 2022 | 2.27조 |
| 1991 | 1,781억 | 2007 | 5,882억 | 2023 | 2.49조 |
| 1992 | 1,953억 | 2008 | 7,175억 | 2024 | 2.67조 |
| 1993 | 2,393억 | 2009 | 9,018억 | 2025 | 2.85조 |
| 1994 | 2,938억 | 2010 | 1.11조 | 2026 | 3조 |
| 1995 | 3,425억 | 2011 | 1.22조 | | |