Show data table
| 1995 | 44.8% | 2006 | 44.4% | 2017 | 44.7% |
| 1996 | 44% | 2007 | 43.4% | 2018 | 45% |
| 1997 | 43% | 2008 | 43.7% | 2019 | 44.5% |
| 1998 | 44% | 2009 | 44.1% | 2020 | 44.1% |
| 1999 | 44.1% | 2010 | 45.2% | 2021 | 45.3% |
| 2000 | 44% | 2011 | 44.7% | 2022 | 44.7% |
| 2001 | 44.6% | 2012 | 45.8% | 2023 | 44% |
| 2002 | 45.3% | 2013 | 46.5% | 2024 | 45.5% |
| 2003 | 44.9% | 2014 | 46% | 2025 | 46.1% |
| 2004 | 44.9% | 2015 | 46.7% | 2026 | 47% |
| 2005 | 45.3% | 2016 | 44.9% | | |
Show data table
| 1995 | 4.74B | 2006 | 13.9B | 2017 | 19B |
| 1996 | 5.34B | 2007 | 15.2B | 2018 | 20.4B |
| 1997 | 5.95B | 2008 | 16.5B | 2019 | 21.4B |
| 1998 | 6.72B | 2009 | 15.8B | 2020 | 20.6B |
| 1999 | 7.57B | 2010 | 16.3B | 2021 | 23.6B |
| 2000 | 8.25B | 2011 | 16.5B | 2022 | 25.4B |
| 2001 | 9.33B | 2012 | 16.5B | 2023 | 28.2B |
| 2002 | 10.5B | 2013 | 16.8B | 2024 | 30.7B |
| 2003 | 11.4B | 2014 | 17.2B | 2025 | 32.5B |
| 2004 | 12.3B | 2015 | 18B | 2026 | 34.6B |
| 2005 | 13.1B | 2016 | 18B | | |
Show data table
| 1995 | 53% | 2006 | 45.7% | 2017 | 44.6% |
| 1996 | 45.2% | 2007 | 43.5% | 2018 | 44.1% |
| 1997 | 45.4% | 2008 | 45.2% | 2019 | 43.8% |
| 1998 | 46.4% | 2009 | 50% | 2020 | 51.8% |
| 1999 | 47.2% | 2010 | 50.7% | 2021 | 49.9% |
| 2000 | 47.8% | 2011 | 51.4% | 2022 | 47.7% |
| 2001 | 49.2% | 2012 | 50% | 2023 | 46.5% |
| 2002 | 47.8% | 2013 | 57.7% | 2024 | 46.5% |
| 2003 | 47.6% | 2014 | 50.6% | 2025 | 48.5% |
| 2004 | 46.9% | 2015 | 49.5% | 2026 | 49.6% |
| 2005 | 46.7% | 2016 | 46.9% | | |
Show data table
| 1995 | 5.6B | 2006 | 14.3B | 2017 | 19B |
| 1996 | 5.48B | 2007 | 15.2B | 2018 | 20B |
| 1997 | 6.27B | 2008 | 17.1B | 2019 | 21.1B |
| 1998 | 7.09B | 2009 | 17.9B | 2020 | 24.2B |
| 1999 | 8.09B | 2010 | 18.3B | 2021 | 26B |
| 2000 | 8.96B | 2011 | 18.9B | 2022 | 27.1B |
| 2001 | 10.3B | 2012 | 18B | 2023 | 29.8B |
| 2002 | 11.1B | 2013 | 20.8B | 2024 | 31.3B |
| 2003 | 12.1B | 2014 | 18.8B | 2025 | 34.2B |
| 2004 | 12.9B | 2015 | 19.1B | 2026 | 36.5B |
| 2005 | 13.5B | 2016 | 18.8B | | |