데이터 표
| 1990 | 70.5% | 2003 | 56.9% | 2016 | 60.1% |
| 1991 | 59.1% | 2004 | 54.4% | 2017 | 60.3% |
| 1992 | 67% | 2005 | 54.8% | 2018 | 60.5% |
| 1993 | 74.7% | 2006 | 50.6% | 2019 | 60.3% |
| 1994 | 69.3% | 2007 | 47.1% | 2020 | 72.2% |
| 1995 | 72.2% | 2008 | 42% | 2021 | 69.4% |
| 1996 | 65.3% | 2009 | 42.6% | 2022 | 71.4% |
| 1997 | 68% | 2010 | 45.3% | 2023 | 68.7% |
| 1998 | 64.5% | 2011 | 48.6% | 2024 | 67.7% |
| 1999 | 63.4% | 2012 | 52.3% | 2025 | 67.1% |
| 2000 | 64.9% | 2013 | 57.1% | 2026 | 65.8% |
| 2001 | 60.4% | 2014 | 58.6% | | |
| 2002 | 59.4% | 2015 | 58.4% | | |
데이터 표
| 1990 | 1,897억 | 2003 | 3,071억 | 2016 | 6,575억 |
| 1991 | 1,799억 | 2004 | 3,115억 | 2017 | 6,923억 |
| 1992 | 2,088억 | 2005 | 3,276억 | 2018 | 7,226억 |
| 1993 | 2,380억 | 2006 | 3,309억 | 2019 | 7,473억 |
| 1994 | 2,457억 | 2007 | 3,298억 | 2020 | 8,326억 |
| 1995 | 2,605억 | 2008 | 3,258억 | 2021 | 8,853억 |
| 1996 | 2,660억 | 2009 | 3,452억 | 2022 | 9,518억 |
| 1997 | 2,743억 | 2010 | 3,844억 | 2023 | 1.02조 |
| 1998 | 2,804억 | 2011 | 4,309억 | 2024 | 1.08조 |
| 1999 | 2,799억 | 2012 | 4,797억 | 2025 | 1.14조 |
| 2000 | 2,898억 | 2013 | 5,546억 | 2026 | 1.2조 |
| 2001 | 2,917억 | 2014 | 5,865억 | | |
| 2002 | 2,991억 | 2015 | 6,296억 | | |
데이터 표
| 1996 | 65.1% | 2007 | 45.7% | 2018 | 60.2% |
| 1997 | 67.8% | 2008 | 41.3% | 2019 | 60% |
| 1998 | 64.3% | 2009 | 42% | 2020 | 71.6% |
| 1999 | 63.2% | 2010 | 44.8% | 2021 | 68.8% |
| 2000 | 64.7% | 2011 | 48.2% | 2022 | 71% |
| 2001 | 58.2% | 2012 | 51.8% | 2023 | 67.9% |
| 2002 | 57.1% | 2013 | 56.6% | 2024 | 67.2% |
| 2003 | 54.4% | 2014 | 58.1% | 2025 | 66.5% |
| 2004 | 51.7% | 2015 | 57.8% | 2026 | 65.2% |
| 2005 | 52.4% | 2016 | 59.6% | | |
| 2006 | 48.4% | 2017 | 59.9% | | |
데이터 표
| 1996 | 2,652억 | 2007 | 3,204억 | 2018 | 7,197억 |
| 1997 | 2,735억 | 2008 | 3,207억 | 2019 | 7,439억 |
| 1998 | 2,795억 | 2009 | 3,402억 | 2020 | 8,253억 |
| 1999 | 2,794억 | 2010 | 3,805억 | 2021 | 8,788억 |
| 2000 | 2,890억 | 2011 | 4,276억 | 2022 | 9,463억 |
| 2001 | 2,808억 | 2012 | 4,753억 | 2023 | 1조 |
| 2002 | 2,876억 | 2013 | 5,500억 | 2024 | 1.07조 |
| 2003 | 2,934억 | 2014 | 5,819억 | 2025 | 1.14조 |
| 2004 | 2,959억 | 2015 | 6,236억 | 2026 | 1.19조 |
| 2005 | 3,136억 | 2016 | 6,525억 | | |
| 2006 | 3,162억 | 2017 | 6,884억 | | |