Show data table
| 1996 | 34.5% | 2007 | 37.9% | 2018 | 19.8% |
| 1997 | 30.8% | 2008 | 43.4% | 2019 | 20.7% |
| 1998 | 24.4% | 2009 | 31.9% | 2020 | 21.3% |
| 1999 | 36.3% | 2010 | 37.5% | 2021 | 24.1% |
| 2000 | 37.8% | 2011 | 40.5% | 2022 | 26.6% |
| 2001 | 33.1% | 2012 | 36.9% | 2023 | 20.9% |
| 2002 | 25.3% | 2013 | 32.7% | 2024 | 17.8% |
| 2003 | 26% | 2014 | 27.2% | 2025 | 14.8% |
| 2004 | 27% | 2015 | 21.3% | 2026 | 14.4% |
| 2005 | 30.1% | 2016 | 15.2% | | |
| 2006 | 35.7% | 2017 | 15% | | |
Show data table
| 1996 | 400M | 2007 | 2.12T | 2018 | 5.79T |
| 1997 | 747M | 2008 | 3.22T | 2019 | 7.18T |
| 1998 | 864M | 2009 | 2.07T | 2020 | 8.16T |
| 1999 | 8.64B | 2010 | 3.29T | 2021 | 12.65T |
| 2000 | 48.1B | 2011 | 4.77T | 2022 | 17.06T |
| 2001 | 90.3B | 2012 | 5.05T | 2023 | 16.16T |
| 2002 | 191B | 2013 | 4.85T | 2024 | 18.5T |
| 2003 | 395B | 2014 | 4.4T | 2025 | 19.11T |
| 2004 | 610B | 2015 | 3.37T | 2026 | 20.62T |
| 2005 | 1.09T | 2016 | 2.9T | | |
| 2006 | 1.69T | 2017 | 3.54T | | |
Show data table
| 1996 | 29.3% | 2007 | 34.1% | 2018 | 17.8% |
| 1997 | 31.1% | 2008 | 47.2% | 2019 | 20.9% |
| 1998 | 30.3% | 2009 | 38.7% | 2020 | 24.4% |
| 1999 | 45.7% | 2010 | 34.6% | 2021 | 22.8% |
| 2000 | 35.8% | 2011 | 33.3% | 2022 | 24.8% |
| 2001 | 30.3% | 2012 | 33.2% | 2023 | 23.3% |
| 2002 | 27.6% | 2013 | 32.9% | 2024 | 19% |
| 2003 | 30.1% | 2014 | 32.3% | 2025 | 18.9% |
| 2004 | 26% | 2015 | 23.9% | 2026 | 16.8% |
| 2005 | 23.7% | 2016 | 19.1% | | |
| 2006 | 27.3% | 2017 | 20.7% | | |
Show data table
| 1996 | 339M | 2007 | 1.91T | 2018 | 5.21T |
| 1997 | 754M | 2008 | 3.5T | 2019 | 7.25T |
| 1998 | 1.07B | 2009 | 2.51T | 2020 | 9.33T |
| 1999 | 10.9B | 2010 | 3.03T | 2021 | 11.94T |
| 2000 | 45.5B | 2011 | 3.93T | 2022 | 15.92T |
| 2001 | 82.7B | 2012 | 4.55T | 2023 | 18.09T |
| 2002 | 208B | 2013 | 4.89T | 2024 | 19.74T |
| 2003 | 457B | 2014 | 5.22T | 2025 | 24.37T |
| 2004 | 586B | 2015 | 3.77T | 2026 | 24.12T |
| 2005 | 855B | 2016 | 3.65T | | |
| 2006 | 1.29T | 2017 | 4.88T | | |