데이터 표
| 1991 | 43.3% | 2003 | 44.7% | 2015 | 45.4% |
| 1992 | 44.7% | 2004 | 43.6% | 2016 | 45.9% |
| 1993 | 45.2% | 2005 | 43.5% | 2017 | 45.9% |
| 1994 | 45.8% | 2006 | 43.6% | 2018 | 46.5% |
| 1995 | 45.8% | 2007 | 43.7% | 2019 | 46.9% |
| 1996 | 45.9% | 2008 | 44.2% | 2020 | 46.7% |
| 1997 | 45.7% | 2009 | 45.1% | 2021 | 47.5% |
| 1998 | 45.6% | 2010 | 43.7% | 2022 | 46.7% |
| 1999 | 46.6% | 2011 | 44.5% | 2023 | 45.7% |
| 2000 | 46.3% | 2012 | 45% | 2024 | 46.8% |
| 2001 | 44.5% | 2013 | 45.3% | 2025 | 47.9% |
| 2002 | 44.2% | 2014 | 45.2% | 2026 | 47.9% |
데이터 표
| 1991 | 6,896억 | 2003 | 1조 | 2015 | 1.4조 |
| 1992 | 7,647억 | 2004 | 9,986억 | 2016 | 1.47조 |
| 1993 | 7,945억 | 2005 | 1.01조 | 2017 | 1.53조 |
| 1994 | 8,413억 | 2006 | 1.06조 | 2018 | 1.6조 |
| 1995 | 8,702억 | 2007 | 1.11조 | 2019 | 1.66조 |
| 1996 | 8,856억 | 2008 | 1.14조 | 2020 | 1.61조 |
| 1997 | 8,995억 | 2009 | 1.13조 | 2021 | 1.75조 |
| 1998 | 9,230억 | 2010 | 1.14조 | 2022 | 1.86조 |
| 1999 | 9,684억 | 2011 | 1.22조 | 2023 | 1.93조 |
| 2000 | 9,869억 | 2012 | 1.26조 | 2024 | 2.02조 |
| 2001 | 9,776억 | 2013 | 1.3조 | 2025 | 2.14조 |
| 2002 | 9,818억 | 2014 | 1.35조 | 2026 | 2.21조 |
데이터 표
| 1991 | 46.5% | 2003 | 48.5% | 2015 | 44.5% |
| 1992 | 47.4% | 2004 | 47% | 2016 | 44.7% |
| 1993 | 48.3% | 2005 | 46.9% | 2017 | 44.5% |
| 1994 | 48.3% | 2006 | 45.3% | 2018 | 44.7% |
| 1995 | 55.2% | 2007 | 43.5% | 2019 | 45.5% |
| 1996 | 49.6% | 2008 | 44.4% | 2020 | 51.1% |
| 1997 | 48.8% | 2009 | 48.3% | 2021 | 50.7% |
| 1998 | 48.3% | 2010 | 48.1% | 2022 | 48.6% |
| 1999 | 48.5% | 2011 | 45.3% | 2023 | 48.1% |
| 2000 | 48.1% | 2012 | 45.1% | 2024 | 49.4% |
| 2001 | 47.7% | 2013 | 45.2% | 2025 | 50.5% |
| 2002 | 48.2% | 2014 | 44.5% | 2026 | 51.7% |
데이터 표
| 1991 | 7,407억 | 2003 | 1.09조 | 2015 | 1.37조 |
| 1992 | 8,097억 | 2004 | 1.08조 | 2016 | 1.43조 |
| 1993 | 8,492억 | 2005 | 1.09조 | 2017 | 1.48조 |
| 1994 | 8,880억 | 2006 | 1.1조 | 2018 | 1.53조 |
| 1995 | 1.05조 | 2007 | 1.11조 | 2019 | 1.61조 |
| 1996 | 9,557억 | 2008 | 1.15조 | 2020 | 1.76조 |
| 1997 | 9,591억 | 2009 | 1.2조 | 2021 | 1.87조 |
| 1998 | 9,766억 | 2010 | 1.26조 | 2022 | 1.94조 |
| 1999 | 1.01조 | 2011 | 1.24조 | 2023 | 2.03조 |
| 2000 | 1.02조 | 2012 | 1.26조 | 2024 | 2.14조 |
| 2001 | 1.05조 | 2013 | 1.29조 | 2025 | 2.26조 |
| 2002 | 1.07조 | 2014 | 1.33조 | 2026 | 2.39조 |