데이터 표
| 1989 | 18% | 2002 | 12% | 2015 | 12.6% |
| 1990 | 14.9% | 2003 | 12.6% | 2016 | 11.1% |
| 1991 | 14.1% | 2004 | 12.7% | 2017 | 13.5% |
| 1992 | 15.7% | 2005 | 12.6% | 2018 | 13.5% |
| 1993 | 15.8% | 2006 | 12.9% | 2019 | 13.8% |
| 1994 | 16.4% | 2007 | 16% | 2020 | 14.4% |
| 1995 | 17.6% | 2008 | 14.5% | 2021 | 17.5% |
| 1996 | 18% | 2009 | 14.8% | 2022 | 14.5% |
| 1997 | 18% | 2010 | 13.8% | 2023 | 15.2% |
| 1998 | 17.4% | 2011 | 13.7% | 2024 | 15.2% |
| 1999 | 12.7% | 2012 | 14% | 2025 | 15.6% |
| 2000 | 11.9% | 2013 | 13.5% | 2026 | 15.9% |
| 2001 | 12.2% | 2014 | 12.6% | | |
데이터 표
| 1989 | 915억 | 2002 | 3,478억 | 2015 | 8,483억 |
| 1990 | 794억 | 2003 | 3,913억 | 2016 | 7,803억 |
| 1991 | 793억 | 2004 | 4,131억 | 2017 | 1조 |
| 1992 | 933억 | 2005 | 4,368억 | 2018 | 1.08조 |
| 1993 | 1,019억 | 2006 | 4,726억 | 2019 | 1.19조 |
| 1994 | 1,454억 | 2007 | 6,268억 | 2020 | 1.3조 |
| 1995 | 1,904억 | 2008 | 6,333억 | 2021 | 1.72조 |
| 1996 | 2,174억 | 2009 | 6,758억 | 2022 | 1.57조 |
| 1997 | 2,382억 | 2010 | 6,511억 | 2023 | 1.82조 |
| 1998 | 2,518억 | 2011 | 6,927억 | 2024 | 1.97조 |
| 1999 | 2,872억 | 2012 | 7,975억 | 2025 | 2.2조 |
| 2000 | 2,987억 | 2013 | 8,364억 | 2026 | 2.46조 |
| 2001 | 3,270억 | 2014 | 8,248억 | | |
데이터 표
| 1989 | 17.1% | 2002 | 15.3% | 2015 | 18.2% |
| 1990 | 18.1% | 2003 | 13.7% | 2016 | 15.4% |
| 1991 | 17.2% | 2004 | 13.4% | 2017 | 17.7% |
| 1992 | 18.4% | 2005 | 14.1% | 2018 | 16.5% |
| 1993 | 16.4% | 2006 | 13% | 2019 | 14.3% |
| 1994 | 18.5% | 2007 | 15.8% | 2020 | 19.1% |
| 1995 | 20.2% | 2008 | 14.5% | 2021 | 20% |
| 1996 | 18.2% | 2009 | 17% | 2022 | 20% |
| 1997 | 17.3% | 2010 | 14.1% | 2023 | 19.3% |
| 1998 | 14.9% | 2011 | 14.7% | 2024 | 18.2% |
| 1999 | 10.7% | 2012 | 14.2% | 2025 | 18.5% |
| 2000 | 15.6% | 2013 | 14.9% | 2026 | 18.8% |
| 2001 | 15.4% | 2014 | 14.2% | | |
데이터 표
| 1989 | 870억 | 2002 | 4,447억 | 2015 | 1.22조 |
| 1990 | 967억 | 2003 | 4,245억 | 2016 | 1.08조 |
| 1991 | 965억 | 2004 | 4,361억 | 2017 | 1.31조 |
| 1992 | 1,094억 | 2005 | 4,896억 | 2018 | 1.31조 |
| 1993 | 1,055억 | 2006 | 4,779억 | 2019 | 1.23조 |
| 1994 | 1,644억 | 2007 | 6,181억 | 2020 | 1.72조 |
| 1995 | 2,187억 | 2008 | 6,351억 | 2021 | 1.96조 |
| 1996 | 2,192억 | 2009 | 7,785억 | 2022 | 2.17조 |
| 1997 | 2,297억 | 2010 | 6,641억 | 2023 | 2.31조 |
| 1998 | 2,156억 | 2011 | 7,422억 | 2024 | 2.37조 |
| 1999 | 2,432억 | 2012 | 8,098억 | 2025 | 2.62조 |
| 2000 | 3,910억 | 2013 | 9,208억 | 2026 | 2.91조 |
| 2001 | 4,148억 | 2014 | 9,330억 | | |