Show data table
| 1997 | 13.8% | 2007 | 8.6% | 2017 | 17.3% |
| 1998 | 16.2% | 2008 | 7.5% | 2018 | 16.7% |
| 1999 | 16.6% | 2009 | 6.6% | 2019 | 24.3% |
| 2000 | 26.5% | 2010 | 5.9% | 2020 | 31.9% |
| 2001 | 40.4% | 2011 | 5.7% | 2021 | 30.2% |
| 2002 | 37.5% | 2012 | 6.1% | 2022 | 29.2% |
| 2003 | 28.3% | 2013 | 5.5% | 2023 | 30.7% |
| 2004 | 24.2% | 2014 | 5.4% | 2024 | 30.9% |
| 2005 | 18.9% | 2015 | 5.9% | 2025 | 28.6% |
| 2006 | 12.2% | 2016 | 7.2% | 2026 | 27.5% |
Show data table
| 1997 | 188B | 2007 | 3.38T | 2017 | 61.54T |
| 1998 | 320B | 2008 | 3.94T | 2018 | 82.68T |
| 1999 | 491B | 2009 | 4.49T | 2019 | 150.9T |
| 2000 | 1.2T | 2010 | 5.22T | 2020 | 224.95T |
| 2001 | 2.77T | 2011 | 6.54T | 2021 | 260.32T |
| 2002 | 3.89T | 2012 | 8.62T | 2022 | 303.94T |
| 2003 | 3.87T | 2013 | 9.55T | 2023 | 387.62T |
| 2004 | 4.13T | 2014 | 11.37T | 2024 | 475T |
| 2005 | 4.19T | 2015 | 14.88T | 2025 | 528.72T |
| 2006 | 3.52T | 2016 | 20.92T | 2026 | 609.12T |