Show data table
| 1996 | 15.2% | 2007 | 36% | 2018 | 41.9% |
| 1997 | 40.5% | 2008 | 34.9% | 2019 | 41.1% |
| 1998 | 49.9% | 2009 | 42.4% | 2020 | 49.4% |
| 1999 | 56.6% | 2010 | 39.8% | 2021 | 58.4% |
| 2000 | 57.8% | 2011 | 39.1% | 2022 | 60.5% |
| 2001 | 57.5% | 2012 | 41.9% | 2023 | 62.2% |
| 2002 | 54.9% | 2013 | 42.2% | 2024 | 62.9% |
| 2003 | 47.5% | 2014 | 43.3% | 2025 | 64.7% |
| 2004 | 46.3% | 2015 | 42.6% | 2026 | 66.8% |
| 2005 | 45.5% | 2016 | 41.7% | | |
| 2006 | 39.2% | 2017 | 41.8% | | |
Show data table
| 1996 | 685B | 2007 | 3.18T | 2018 | 6.78T |
| 1997 | 1.9T | 2008 | 3.41T | 2019 | 6.9T |
| 1998 | 2.33T | 2009 | 4T | 2020 | 7.85T |
| 1999 | 2.61T | 2010 | 4.23T | 2021 | 9.34T |
| 2000 | 2.8T | 2011 | 4.45T | 2022 | 10.37T |
| 2001 | 2.93T | 2012 | 4.94T | 2023 | 11.13T |
| 2002 | 2.93T | 2013 | 5.43T | 2024 | 11.63T |
| 2003 | 2.93T | 2014 | 5.69T | 2025 | 12.23T |
| 2004 | 3.13T | 2015 | 5.78T | 2026 | 12.9T |
| 2005 | 3.39T | 2016 | 5.99T | | |
| 2006 | 3.23T | 2017 | 6.37T | | |