Show data table
| 1995 | 39.4% | 2006 | 39.9% | 2017 | 30.3% |
| 1996 | 35.9% | 2007 | 42.9% | 2018 | 30.7% |
| 1997 | 38.5% | 2008 | 40.6% | 2019 | 30.5% |
| 1998 | 37.6% | 2009 | 38.9% | 2020 | 31.4% |
| 1999 | 30.4% | 2010 | 31.9% | 2021 | 32% |
| 2000 | 30.5% | 2011 | 30.5% | 2022 | 33.3% |
| 2001 | 29.2% | 2012 | 31.7% | 2023 | 33.7% |
| 2002 | 29.6% | 2013 | 30.9% | 2024 | 33.9% |
| 2003 | 34% | 2014 | 32.2% | 2025 | 35.5% |
| 2004 | 35.4% | 2015 | 29.8% | 2026 | 35.4% |
| 2005 | 38.6% | 2016 | 28.9% | | |
Show data table
| 1995 | 2.56B | 2006 | 17.8B | 2017 | 53.4B |
| 1996 | 2.8B | 2007 | 22.9B | 2018 | 58B |
| 1997 | 3.43B | 2008 | 25.6B | 2019 | 62.9B |
| 1998 | 3.43B | 2009 | 23.5B | 2020 | 62.7B |
| 1999 | 3.74B | 2010 | 27.5B | 2021 | 77.4B |
| 2000 | 4.98B | 2011 | 30.1B | 2022 | 91.5B |
| 2001 | 5.56B | 2012 | 33.5B | 2023 | 102B |
| 2002 | 6.67B | 2013 | 36.9B | 2024 | 110B |
| 2003 | 9.38B | 2014 | 42.5B | 2025 | 126B |
| 2004 | 11.3B | 2015 | 43.7B | 2026 | 136B |
| 2005 | 14.5B | 2016 | 45.9B | | |
Show data table
| 1995 | 42% | 2006 | 40.3% | 2017 | 31% |
| 1996 | 43.3% | 2007 | 42.7% | 2018 | 31.5% |
| 1997 | 46% | 2008 | 41.5% | 2019 | 32% |
| 1998 | 39.1% | 2009 | 45.3% | 2020 | 36.7% |
| 1999 | 33% | 2010 | 34.1% | 2021 | 34.6% |
| 2000 | 34% | 2011 | 32.6% | 2022 | 36.6% |
| 2001 | 29.5% | 2012 | 33.7% | 2023 | 38.8% |
| 2002 | 30.7% | 2013 | 32.4% | 2024 | 38% |
| 2003 | 33.5% | 2014 | 33.8% | 2025 | 39.4% |
| 2004 | 34.8% | 2015 | 31.7% | 2026 | 40.2% |
| 2005 | 37.1% | 2016 | 30.5% | | |
Show data table
| 1995 | 2.72B | 2006 | 18B | 2017 | 54.5B |
| 1996 | 3.38B | 2007 | 22.8B | 2018 | 59.6B |
| 1997 | 4.1B | 2008 | 26.1B | 2019 | 66B |
| 1998 | 3.57B | 2009 | 27.4B | 2020 | 73.3B |
| 1999 | 4.07B | 2010 | 29.4B | 2021 | 83.7B |
| 2000 | 5.56B | 2011 | 32.2B | 2022 | 100B |
| 2001 | 5.62B | 2012 | 35.5B | 2023 | 118B |
| 2002 | 6.93B | 2013 | 38.8B | 2024 | 123B |
| 2003 | 9.25B | 2014 | 44.6B | 2025 | 139B |
| 2004 | 11.2B | 2015 | 46.5B | 2026 | 154B |
| 2005 | 14B | 2016 | 48.4B | | |