Show data table
| 2001 | 32.3% | 2010 | 28.8% | 2019 | 30% |
| 2002 | 29.9% | 2011 | 29.1% | 2020 | 30.6% |
| 2003 | 29.3% | 2012 | 29.1% | 2021 | 31.8% |
| 2004 | 29.5% | 2013 | 31.2% | 2022 | 33.1% |
| 2005 | 30.9% | 2014 | 31.3% | 2023 | 29.6% |
| 2006 | 31.7% | 2015 | 31.5% | 2024 | 29.9% |
| 2007 | 31.6% | 2016 | 31% | 2025 | 30.9% |
| 2008 | 30.5% | 2017 | 30.4% | 2026 | 30.4% |
| 2009 | 28.2% | 2018 | 30% | | |
Show data table
| 2001 | 3.41T | 2010 | 4.33T | 2019 | 6.46T |
| 2002 | 3.27T | 2011 | 4.54T | 2020 | 6.54T |
| 2003 | 3.35T | 2012 | 4.73T | 2021 | 7.54T |
| 2004 | 3.6T | 2013 | 5.27T | 2022 | 8.62T |
| 2005 | 4.02T | 2014 | 5.51T | 2023 | 8.24T |
| 2006 | 4.37T | 2015 | 5.76T | 2024 | 8.75T |
| 2007 | 4.58T | 2016 | 5.83T | 2025 | 9.5T |
| 2008 | 4.51T | 2017 | 5.96T | 2026 | 9.86T |
| 2009 | 4.09T | 2018 | 6.2T | | |
Show data table
| 2001 | 32.8% | 2010 | 39.8% | 2019 | 35.8% |
| 2002 | 33.7% | 2011 | 38.8% | 2020 | 44.7% |
| 2003 | 34% | 2012 | 37.2% | 2021 | 43.2% |
| 2004 | 33.7% | 2013 | 35.8% | 2022 | 36.8% |
| 2005 | 33.9% | 2014 | 35.3% | 2023 | 37.5% |
| 2006 | 33.7% | 2015 | 35% | 2024 | 37.7% |
| 2007 | 34.6% | 2016 | 35.3% | 2025 | 37.7% |
| 2008 | 37.1% | 2017 | 35.2% | 2026 | 37.9% |
| 2009 | 41.4% | 2018 | 35.3% | | |
Show data table
| 2001 | 3.47T | 2010 | 5.98T | 2019 | 7.72T |
| 2002 | 3.68T | 2011 | 6.05T | 2020 | 9.56T |
| 2003 | 3.9T | 2012 | 6.05T | 2021 | 10.25T |
| 2004 | 4.12T | 2013 | 6.04T | 2022 | 9.59T |
| 2005 | 4.42T | 2014 | 6.22T | 2023 | 10.43T |
| 2006 | 4.65T | 2015 | 6.41T | 2024 | 11.06T |
| 2007 | 5T | 2016 | 6.64T | 2025 | 11.6T |
| 2008 | 5.49T | 2017 | 6.9T | 2026 | 12.29T |
| 2009 | 5.99T | 2018 | 7.3T | | |