데이터 표
| 1980 | 49.2% | 1996 | 53.4% | 2012 | 54.8% |
| 1981 | 48% | 1997 | 53.3% | 2013 | 52.7% |
| 1982 | 47.7% | 1998 | 51.3% | 2014 | 52.3% |
| 1983 | 49.4% | 1999 | 52.5% | 2015 | 52.5% |
| 1984 | 48.3% | 2000 | 56.6% | 2016 | 52.7% |
| 1985 | 50.5% | 2001 | 56.6% | 2017 | 52.4% |
| 1986 | 50% | 2002 | 55.3% | 2018 | 53.7% |
| 1987 | 50.9% | 2003 | 54.9% | 2019 | 54.7% |
| 1988 | 51% | 2004 | 55.5% | 2020 | 52.1% |
| 1989 | 49.8% | 2005 | 56.2% | 2021 | 54.6% |
| 1990 | 51.1% | 2006 | 57.9% | 2022 | 60.9% |
| 1991 | 50.2% | 2007 | 57.3% | 2023 | 60.1% |
| 1992 | 49.6% | 2008 | 57.4% | 2024 | 59.7% |
| 1993 | 48.9% | 2009 | 54.7% | 2025 | 58.9% |
| 1994 | 49.7% | 2010 | 54.2% | 2026 | 59.5% |
| 1995 | 52.6% | 2011 | 55.3% | | |
데이터 표
| 1980 | 1,560억 | 1996 | 5,595억 | 2012 | 1.67조 |
| 1981 | 1,747억 | 1997 | 6,032억 | 2013 | 1.67조 |
| 1982 | 1,923억 | 1998 | 5,920억 | 2014 | 1.7조 |
| 1983 | 2,212억 | 1999 | 6,605억 | 2015 | 1.7조 |
| 1984 | 2,440억 | 2000 | 8,507억 | 2016 | 1.7조 |
| 1985 | 2,830억 | 2001 | 8,834억 | 2017 | 1.8조 |
| 1986 | 2,898억 | 2002 | 8,630억 | 2018 | 1.99조 |
| 1987 | 3,223억 | 2003 | 8,908억 | 2019 | 2.04조 |
| 1988 | 3,372억 | 2004 | 9,939억 | 2020 | 1.87조 |
| 1989 | 3,516억 | 2005 | 1.13조 | 2021 | 2.45조 |
| 1990 | 3,816억 | 2006 | 1.3조 | 2022 | 3.62조 |
| 1991 | 3,939억 | 2007 | 1.37조 | 2023 | 3.19조 |
| 1992 | 4,004억 | 2008 | 1.53조 | 2024 | 3.21조 |
| 1993 | 4,156억 | 2009 | 1.36조 | 2025 | 3.25조 |
| 1994 | 4,432억 | 2010 | 1.44조 | 2026 | 3.45조 |
| 1995 | 5,037억 | 2011 | 1.59조 | | |
데이터 표
| 1980 | 44.1% | 1996 | 47.4% | 2012 | 41.4% |
| 1981 | 43.4% | 1997 | 45.9% | 2013 | 42.3% |
| 1982 | 44% | 1998 | 48.2% | 2014 | 44% |
| 1983 | 43.6% | 1999 | 46.7% | 2015 | 46.7% |
| 1984 | 41.6% | 2000 | 41.5% | 2016 | 48.8% |
| 1985 | 41% | 2001 | 43.4% | 2017 | 47.6% |
| 1986 | 44.4% | 2002 | 46.3% | 2018 | 46.1% |
| 1987 | 46.7% | 2003 | 47.7% | 2019 | 48.4% |
| 1988 | 48.6% | 2004 | 44.7% | 2020 | 54.5% |
| 1989 | 48.3% | 2005 | 41.6% | 2021 | 44.7% |
| 1990 | 49.1% | 2006 | 40.1% | 2022 | 36.3% |
| 1991 | 50.3% | 2007 | 40.5% | 2023 | 44.2% |
| 1992 | 51.6% | 2008 | 39.2% | 2024 | 46.9% |
| 1993 | 50.5% | 2009 | 44.7% | 2025 | 49.6% |
| 1994 | 49.7% | 2010 | 43.6% | 2026 | 49.3% |
| 1995 | 49.6% | 2011 | 42.3% | | |
데이터 표
| 1980 | 1,397억 | 1996 | 4,961억 | 2012 | 1.26조 |
| 1981 | 1,580억 | 1997 | 5,193억 | 2013 | 1.34조 |
| 1982 | 1,774억 | 1998 | 5,563억 | 2014 | 1.43조 |
| 1983 | 1,955억 | 1999 | 5,881억 | 2015 | 1.51조 |
| 1984 | 2,102억 | 2000 | 6,237억 | 2016 | 1.57조 |
| 1985 | 2,298억 | 2001 | 6,770억 | 2017 | 1.64조 |
| 1986 | 2,577억 | 2002 | 7,218억 | 2018 | 1.71조 |
| 1987 | 2,954억 | 2003 | 7,738억 | 2019 | 1.81조 |
| 1988 | 3,214억 | 2004 | 8,002억 | 2020 | 1.96조 |
| 1989 | 3,406억 | 2005 | 8,344억 | 2021 | 2조 |
| 1990 | 3,670억 | 2006 | 9,006억 | 2022 | 2.15조 |
| 1991 | 3,948억 | 2007 | 9,672억 | 2023 | 2.35조 |
| 1992 | 4,172억 | 2008 | 1.04조 | 2024 | 2.52조 |
| 1993 | 4,297억 | 2009 | 1.11조 | 2025 | 2.73조 |
| 1994 | 4,428억 | 2010 | 1.16조 | 2026 | 2.86조 |
| 1995 | 4,752억 | 2011 | 1.22조 | | |