데이터 표
| 1991 | 31.7% | 2003 | 34.3% | 2015 | 23.6% |
| 1992 | 33% | 2004 | 40.8% | 2016 | 20.1% |
| 1993 | 28.4% | 2005 | 46.1% | 2017 | 22.4% |
| 1994 | 25.5% | 2006 | 48.1% | 2018 | 27.2% |
| 1995 | 27.3% | 2007 | 41.2% | 2019 | 27.8% |
| 1996 | 30.1% | 2008 | 56.5% | 2020 | 27.2% |
| 1997 | 33.1% | 2009 | 31.7% | 2021 | 26.2% |
| 1998 | 25.7% | 2010 | 37.4% | 2022 | 27.5% |
| 1999 | 24.3% | 2011 | 43.8% | 2023 | 26.5% |
| 2000 | 36.3% | 2012 | 44.2% | 2024 | 26.8% |
| 2001 | 33% | 2013 | 39.9% | 2025 | 23.2% |
| 2002 | 30% | 2014 | 35.2% | 2026 | 23.2% |
데이터 표
| 1991 | 1,568억 | 2003 | 2,777억 | 2015 | 6,127억 |
| 1992 | 1,696억 | 2004 | 3,960억 | 2016 | 5,194억 |
| 1993 | 1,414억 | 2005 | 5,678억 | 2017 | 6,215억 |
| 1994 | 1,290억 | 2006 | 6,788억 | 2018 | 9,056억 |
| 1995 | 1,465억 | 2007 | 6,428억 | 2019 | 9,268억 |
| 1996 | 1,788억 | 2008 | 1.1조 | 2020 | 7,817억 |
| 1997 | 2,057억 | 2009 | 5,098억 | 2021 | 9,655억 |
| 1998 | 1,412억 | 2010 | 7,409억 | 2022 | 1.28조 |
| 1999 | 1,475억 | 2011 | 1.12조 | 2023 | 1.21조 |
| 2000 | 2,581억 | 2012 | 1.25조 | 2024 | 1.26조 |
| 2001 | 2,281억 | 2013 | 1.15조 | 2025 | 1.11조 |
| 2002 | 2,130억 | 2014 | 1.04조 | 2026 | 1.21조 |
데이터 표
| 1990 | 39.3% | 2003 | 33.1% | 2016 | 33.3% |
| 1991 | 34.9% | 2004 | 31.1% | 2017 | 30.9% |
| 1992 | 41.2% | 2005 | 28.2% | 2018 | 32.4% |
| 1993 | 37.7% | 2006 | 27.3% | 2019 | 31.8% |
| 1994 | 33.8% | 2007 | 29.5% | 2020 | 37.4% |
| 1995 | 32.4% | 2008 | 26.7% | 2021 | 28.2% |
| 1996 | 33.3% | 2009 | 37.1% | 2022 | 25.3% |
| 1997 | 35.6% | 2010 | 33% | 2023 | 28.3% |
| 1998 | 34.5% | 2011 | 32.4% | 2024 | 29.2% |
| 1999 | 30.3% | 2012 | 32.5% | 2025 | 29% |
| 2000 | 33.1% | 2013 | 34.5% | 2026 | 26.7% |
| 2001 | 36.9% | 2014 | 38.6% | | |
| 2002 | 35.9% | 2015 | 38.5% | | |
데이터 표
| 1990 | 1,730억 | 2003 | 2,680억 | 2016 | 8,605억 |
| 1991 | 1,730억 | 2004 | 3,017억 | 2017 | 8,598억 |
| 1992 | 2,113억 | 2005 | 3,465억 | 2018 | 1.08조 |
| 1993 | 1,879억 | 2006 | 3,849억 | 2019 | 1.06조 |
| 1994 | 1,711억 | 2007 | 4,591억 | 2020 | 1.08조 |
| 1995 | 1,740억 | 2008 | 5,200억 | 2021 | 1.04조 |
| 1996 | 1,981억 | 2009 | 5,964억 | 2022 | 1.17조 |
| 1997 | 2,213억 | 2010 | 6,539억 | 2023 | 1.29조 |
| 1998 | 1,901억 | 2011 | 8,267억 | 2024 | 1.37조 |
| 1999 | 1,838억 | 2012 | 9,172억 | 2025 | 1.39조 |
| 2000 | 2,355억 | 2013 | 9,947억 | 2026 | 1.39조 |
| 2001 | 2,551억 | 2014 | 1.14조 | | |
| 2002 | 2,550억 | 2015 | 1조 | | |