데이터 표
| 1997 | 14.4% | 2007 | 14.5% | 2017 | 14.8% |
| 1998 | 13.9% | 2008 | 14.4% | 2018 | 14.7% |
| 1999 | 12.4% | 2009 | 13.4% | 2019 | 15% |
| 2000 | 12% | 2010 | 13.1% | 2020 | 15% |
| 2001 | 12.1% | 2011 | 10.3% | 2021 | 15.6% |
| 2002 | 12.5% | 2012 | 13.9% | 2022 | 15.1% |
| 2003 | 11.4% | 2013 | 14.2% | 2023 | 15.9% |
| 2004 | 12.5% | 2014 | 13.6% | 2024 | 16.4% |
| 2005 | 12.6% | 2015 | 14.5% | 2025 | 17.2% |
| 2006 | 13.4% | 2016 | 14.6% | 2026 | 17.6% |
데이터 표
| 1997 | 1.36조 | 2007 | 1.95조 | 2017 | 4.52조 |
| 1998 | 1.43조 | 2008 | 2.16조 | 2018 | 4.76조 |
| 1999 | 1.31조 | 2009 | 2.12조 | 2019 | 5.3조 |
| 2000 | 1.27조 | 2010 | 2.24조 | 2020 | 5.42조 |
| 2001 | 1.38조 | 2011 | 1.73조 | 2021 | 6.29조 |
| 2002 | 1.48조 | 2012 | 2.62조 | 2022 | 6.68조 |
| 2003 | 1.4조 | 2013 | 3.04조 | 2023 | 7.77조 |
| 2004 | 1.51조 | 2014 | 3.29조 | 2024 | 8.66조 |
| 2005 | 1.57조 | 2015 | 3.92조 | 2025 | 9.87조 |
| 2006 | 1.73조 | 2016 | 4.19조 | 2026 | 10.96조 |
데이터 표
| 1997 | 15.2% | 2007 | 14.8% | 2017 | 18.1% |
| 1998 | 14.6% | 2008 | 14.6% | 2018 | 17.6% |
| 1999 | 13.7% | 2009 | 14.4% | 2019 | 17.2% |
| 2000 | 12.9% | 2010 | 14.5% | 2020 | 20.4% |
| 2001 | 11.4% | 2011 | 13.2% | 2021 | 20.5% |
| 2002 | 13.1% | 2012 | 16.1% | 2022 | 21.9% |
| 2003 | 12.7% | 2013 | 15.9% | 2023 | 21% |
| 2004 | 13.5% | 2014 | 15.2% | 2024 | 20.4% |
| 2005 | 13.6% | 2015 | 16.5% | 2025 | 20.2% |
| 2006 | 14.5% | 2016 | 17.6% | 2026 | 20.6% |
데이터 표
| 1997 | 1.43조 | 2007 | 2조 | 2017 | 5.52조 |
| 1998 | 1.5조 | 2008 | 2.19조 | 2018 | 5.71조 |
| 1999 | 1.44조 | 2009 | 2.28조 | 2019 | 6.08조 |
| 2000 | 1.36조 | 2010 | 2.46조 | 2020 | 7.39조 |
| 2001 | 1.3조 | 2011 | 2.21조 | 2021 | 8.26조 |
| 2002 | 1.56조 | 2012 | 3.05조 | 2022 | 9.67조 |
| 2003 | 1.56조 | 2013 | 3.39조 | 2023 | 10.28조 |
| 2004 | 1.63조 | 2014 | 3.67조 | 2024 | 10.76조 |
| 2005 | 1.69조 | 2015 | 4.47조 | 2025 | 11.59조 |
| 2006 | 1.86조 | 2016 | 5.04조 | 2026 | 12.86조 |