Show data table
| 1998 | 32.3% | 2008 | 36.6% | 2018 | 35.5% |
| 1999 | 30.7% | 2009 | 32.7% | 2019 | 35.7% |
| 2000 | 33.8% | 2010 | 32.3% | 2020 | 35.2% |
| 2001 | 34.5% | 2011 | 34.7% | 2021 | 35.7% |
| 2002 | 34.5% | 2012 | 34.4% | 2022 | 33.8% |
| 2003 | 33.9% | 2013 | 33.5% | 2023 | 33.9% |
| 2004 | 34.2% | 2014 | 33.9% | 2024 | 35.1% |
| 2005 | 37.1% | 2015 | 31.9% | 2025 | 35.2% |
| 2006 | 36.8% | 2016 | 32.9% | 2026 | 35.4% |
| 2007 | 37.5% | 2017 | 33.4% | | |
Show data table
| 1998 | 909B | 2008 | 16.17T | 2018 | 36.92T |
| 1999 | 1.59T | 2009 | 13.6T | 2019 | 39.11T |
| 2000 | 2.64T | 2010 | 16.03T | 2020 | 37.86T |
| 2001 | 3.3T | 2011 | 20.86T | 2021 | 48.12T |
| 2002 | 4T | 2012 | 23.44T | 2022 | 53.07T |
| 2003 | 4.8T | 2013 | 24.44T | 2023 | 59.07T |
| 2004 | 6.24T | 2014 | 26.77T | 2024 | 70.94T |
| 2005 | 8.58T | 2015 | 26.49T | 2025 | 75.23T |
| 2006 | 10.63T | 2016 | 28.18T | 2026 | 78.9T |
| 2007 | 13.37T | 2017 | 30.64T | | |
Show data table
| 1998 | 39.7% | 2008 | 32% | 2018 | 32.6% |
| 1999 | 34.3% | 2009 | 38.6% | 2019 | 33.8% |
| 2000 | 30.7% | 2010 | 35.5% | 2020 | 39.2% |
| 2001 | 31.5% | 2011 | 33.3% | 2021 | 34.9% |
| 2002 | 33.8% | 2012 | 34% | 2022 | 35.1% |
| 2003 | 32.6% | 2013 | 34.7% | 2023 | 36.1% |
| 2004 | 29.6% | 2014 | 34.9% | 2024 | 36.7% |
| 2005 | 29.5% | 2015 | 35.3% | 2025 | 39.1% |
| 2006 | 29% | 2016 | 36.6% | 2026 | 37.5% |
| 2007 | 31.9% | 2017 | 34.8% | | |
Show data table
| 1998 | 1.12T | 2008 | 14.16T | 2018 | 33.88T |
| 1999 | 1.77T | 2009 | 16.05T | 2019 | 37T |
| 2000 | 2.4T | 2010 | 17.62T | 2020 | 42.15T |
| 2001 | 3.02T | 2011 | 19.99T | 2021 | 47.07T |
| 2002 | 3.92T | 2012 | 23.17T | 2022 | 55.18T |
| 2003 | 4.61T | 2013 | 25.29T | 2023 | 62.98T |
| 2004 | 5.41T | 2014 | 27.61T | 2024 | 74.17T |
| 2005 | 6.82T | 2015 | 29.31T | 2025 | 83.56T |
| 2006 | 8.38T | 2016 | 31.32T | 2026 | 83.46T |
| 2007 | 11.38T | 2017 | 31.99T | | |