Show data table
| 1995 | 44.4% | 2006 | 34.6% | 2017 | 38.8% |
| 1996 | 43.1% | 2007 | 33.7% | 2018 | 38.6% |
| 1997 | 42.3% | 2008 | 33.9% | 2019 | 39.4% |
| 1998 | 40.8% | 2009 | 35.1% | 2020 | 39.2% |
| 1999 | 41.2% | 2010 | 33.6% | 2021 | 39.8% |
| 2000 | 40.5% | 2011 | 36.4% | 2022 | 41.5% |
| 2001 | 38.5% | 2012 | 35.7% | 2023 | 42.9% |
| 2002 | 37.6% | 2013 | 38.2% | 2024 | 42% |
| 2003 | 37.8% | 2014 | 38.7% | 2025 | 43.7% |
| 2004 | 36% | 2015 | 41.3% | 2026 | 44.1% |
| 2005 | 36.3% | 2016 | 38.3% | | |
Show data table
| 1995 | 8.9B | 2006 | 19.5B | 2017 | 33B |
| 1996 | 9.6B | 2007 | 21.3B | 2018 | 34.9B |
| 1997 | 10.4B | 2008 | 23.3B | 2019 | 37.3B |
| 1998 | 10.9B | 2009 | 22.5B | 2020 | 37B |
| 1999 | 11.8B | 2010 | 23.1B | 2021 | 40.5B |
| 2000 | 12.8B | 2011 | 26.1B | 2022 | 45.7B |
| 2001 | 13.2B | 2012 | 26.3B | 2023 | 53.1B |
| 2002 | 14B | 2013 | 28.5B | 2024 | 54.6B |
| 2003 | 15.6B | 2014 | 29.7B | 2025 | 59.8B |
| 2004 | 16.6B | 2015 | 33.2B | 2026 | 63.2B |
| 2005 | 18.2B | 2016 | 31.3B | | |
Show data table
| 1995 | 47.8% | 2006 | 38.2% | 2017 | 39.8% |
| 1996 | 52.9% | 2007 | 35.9% | 2018 | 39.6% |
| 1997 | 48.6% | 2008 | 36.5% | 2019 | 40.6% |
| 1998 | 46.2% | 2009 | 43.2% | 2020 | 44.5% |
| 1999 | 48.4% | 2010 | 41% | 2021 | 44.8% |
| 2000 | 53.2% | 2011 | 40.8% | 2022 | 43.1% |
| 2001 | 46.2% | 2012 | 40% | 2023 | 48.2% |
| 2002 | 46% | 2013 | 41.1% | 2024 | 47.5% |
| 2003 | 40% | 2014 | 42% | 2025 | 48.7% |
| 2004 | 38.4% | 2015 | 44.1% | 2026 | 48.5% |
| 2005 | 39.1% | 2016 | 40.9% | | |
Show data table
| 1995 | 9.58B | 2006 | 21.5B | 2017 | 33.8B |
| 1996 | 11.8B | 2007 | 22.7B | 2018 | 35.8B |
| 1997 | 11.9B | 2008 | 25B | 2019 | 38.4B |
| 1998 | 12.4B | 2009 | 27.7B | 2020 | 42B |
| 1999 | 13.9B | 2010 | 28.2B | 2021 | 45.7B |
| 2000 | 16.8B | 2011 | 29.2B | 2022 | 47.4B |
| 2001 | 15.9B | 2012 | 29.5B | 2023 | 59.6B |
| 2002 | 17.1B | 2013 | 30.7B | 2024 | 61.8B |
| 2003 | 16.5B | 2014 | 32.1B | 2025 | 66.6B |
| 2004 | 17.7B | 2015 | 35.5B | 2026 | 69.4B |
| 2005 | 19.7B | 2016 | 33.4B | | |