Show data table
| 1994 | 30.9% | 2005 | 20.9% | 2016 | 19.5% |
| 1995 | 31.9% | 2006 | 23% | 2017 | 19.3% |
| 1996 | 27.1% | 2007 | 25.4% | 2018 | 18.9% |
| 1997 | 26.2% | 2008 | 23.4% | 2019 | 17.7% |
| 1998 | 24.7% | 2009 | 22% | 2020 | 17.3% |
| 1999 | 24.5% | 2010 | 22.7% | 2021 | 17.3% |
| 2000 | 26.9% | 2011 | 21.7% | 2022 | 17.4% |
| 2001 | 24.7% | 2012 | 21.7% | 2023 | 17.5% |
| 2002 | 24.1% | 2013 | 21.2% | 2024 | 16.9% |
| 2003 | 23.3% | 2014 | 19.9% | 2025 | 17.3% |
| 2004 | 19.9% | 2015 | 19.2% | 2026 | 18% |
Show data table
| 1994 | 2.36B | 2005 | 3.47B | 2016 | 11.6B |
| 1995 | 2.49B | 2006 | 4.28B | 2017 | 12.4B |
| 1996 | 2.49B | 2007 | 5.51B | 2018 | 12.8B |
| 1997 | 2.63B | 2008 | 6.02B | 2019 | 12.4B |
| 1998 | 2.72B | 2009 | 6.12B | 2020 | 9.89B |
| 1999 | 2.86B | 2010 | 6.87B | 2021 | 11.7B |
| 2000 | 3.22B | 2011 | 7.76B | 2022 | 13.3B |
| 2001 | 3.03B | 2012 | 9.01B | 2023 | 14.7B |
| 2002 | 3.08B | 2013 | 9.95B | 2024 | 14.6B |
| 2003 | 3.17B | 2014 | 10.2B | 2025 | 15.6B |
| 2004 | 3B | 2015 | 10.7B | 2026 | 17.1B |
Show data table
| 1994 | 28.5% | 2005 | 23.2% | 2016 | 21.3% |
| 1995 | 29.3% | 2006 | 22.4% | 2017 | 21.1% |
| 1996 | 24.3% | 2007 | 22.2% | 2018 | 21.7% |
| 1997 | 24.8% | 2008 | 23% | 2019 | 20.5% |
| 1998 | 25.9% | 2009 | 22.9% | 2020 | 27% |
| 1999 | 25.2% | 2010 | 24.4% | 2021 | 23.7% |
| 2000 | 24.7% | 2011 | 23.7% | 2022 | 21.3% |
| 2001 | 25.2% | 2012 | 23% | 2023 | 21.4% |
| 2002 | 25.1% | 2013 | 23.6% | 2024 | 23.1% |
| 2003 | 25.7% | 2014 | 22.9% | 2025 | 20.9% |
| 2004 | 24.4% | 2015 | 21.4% | 2026 | 21.4% |
Show data table
| 1994 | 2.17B | 2005 | 3.86B | 2016 | 12.7B |
| 1995 | 2.29B | 2006 | 4.18B | 2017 | 13.6B |
| 1996 | 2.23B | 2007 | 4.82B | 2018 | 14.6B |
| 1997 | 2.49B | 2008 | 5.92B | 2019 | 14.3B |
| 1998 | 2.86B | 2009 | 6.38B | 2020 | 15.4B |
| 1999 | 2.94B | 2010 | 7.39B | 2021 | 16B |
| 2000 | 2.95B | 2011 | 8.46B | 2022 | 16.3B |
| 2001 | 3.09B | 2012 | 9.56B | 2023 | 17.9B |
| 2002 | 3.21B | 2013 | 11.1B | 2024 | 20B |
| 2003 | 3.49B | 2014 | 11.8B | 2025 | 18.9B |
| 2004 | 3.69B | 2015 | 11.9B | 2026 | 20.3B |