데이터 표
| 1995 | 20.2% | 2006 | 20.6% | 2017 | 21.1% |
| 1996 | 20.7% | 2007 | 20.2% | 2018 | 21.4% |
| 1997 | 20% | 2008 | 20% | 2019 | 21% |
| 1998 | 17.6% | 2009 | 19.5% | 2020 | 20.4% |
| 1999 | 17.5% | 2010 | 20.9% | 2021 | 20% |
| 2000 | 17.6% | 2011 | 21.2% | 2022 | 20% |
| 2001 | 19.1% | 2012 | 21.4% | 2023 | 20.8% |
| 2002 | 19% | 2013 | 22.2% | 2024 | 21.3% |
| 2003 | 20.3% | 2014 | 21.5% | 2025 | 21.1% |
| 2004 | 20.4% | 2015 | 22.5% | 2026 | 21% |
| 2005 | 21.8% | 2016 | 21.8% | | |
데이터 표
| 1995 | 8,265억 | 2006 | 1.7조 | 2017 | 3.22조 |
| 1996 | 9,341억 | 2007 | 1.79조 | 2018 | 3.45조 |
| 1997 | 9,378억 | 2008 | 1.95조 | 2019 | 3.53조 |
| 1998 | 8,227억 | 2009 | 1.84조 | 2020 | 3.24조 |
| 1999 | 8,042억 | 2010 | 2.22조 | 2021 | 3.21조 |
| 2000 | 8,513억 | 2011 | 2.41조 | 2022 | 3.43조 |
| 2001 | 9,721억 | 2012 | 2.52조 | 2023 | 3.72조 |
| 2002 | 1.02조 | 2013 | 2.86조 | 2024 | 3.94조 |
| 2003 | 1.25조 | 2014 | 2.82조 | 2025 | 3.98조 |
| 2004 | 1.38조 | 2015 | 3.05조 | 2026 | 4.06조 |
| 2005 | 1.62조 | 2016 | 3.12조 | | |
데이터 표
| 1995 | 17.2% | 2006 | 18.7% | 2017 | 21.6% |
| 1996 | 18% | 2007 | 20% | 2018 | 21.2% |
| 1997 | 21.6% | 2008 | 19.2% | 2019 | 20.6% |
| 1998 | 23.9% | 2009 | 21.7% | 2020 | 24.9% |
| 1999 | 26.5% | 2010 | 22% | 2021 | 26.8% |
| 2000 | 19.3% | 2011 | 21.1% | 2022 | 24.7% |
| 2001 | 20.8% | 2012 | 22.3% | 2023 | 22.7% |
| 2002 | 25.7% | 2013 | 21.6% | 2024 | 22.6% |
| 2003 | 18.3% | 2014 | 22.2% | 2025 | 23% |
| 2004 | 19.3% | 2015 | 22.3% | 2026 | 23.3% |
| 2005 | 19.6% | 2016 | 21.4% | | |
데이터 표
| 1995 | 7,017억 | 2006 | 1.55조 | 2017 | 3.29조 |
| 1996 | 8,101억 | 2007 | 1.77조 | 2018 | 3.42조 |
| 1997 | 1.02조 | 2008 | 1.88조 | 2019 | 3.45조 |
| 1998 | 1.12조 | 2009 | 2.05조 | 2020 | 3.95조 |
| 1999 | 1.22조 | 2010 | 2.34조 | 2021 | 4.28조 |
| 2000 | 9,382억 | 2011 | 2.4조 | 2022 | 4.22조 |
| 2001 | 1.06조 | 2012 | 2.62조 | 2023 | 4.07조 |
| 2002 | 1.37조 | 2013 | 2.78조 | 2024 | 4.18조 |
| 2003 | 1.13조 | 2014 | 2.91조 | 2025 | 4.34조 |
| 2004 | 1.31조 | 2015 | 3.03조 | 2026 | 4.49조 |
| 2005 | 1.46조 | 2016 | 3.06조 | | |