Show data table
| 1990 | 41.3% | 2003 | 39.9% | 2016 | 25% |
| 1991 | 37.6% | 2004 | 39.5% | 2017 | 29% |
| 1992 | 35.3% | 2005 | 41.8% | 2018 | 31.6% |
| 1993 | 33.2% | 2006 | 42.3% | 2019 | 33.9% |
| 1994 | 32.3% | 2007 | 41.2% | 2020 | 28.9% |
| 1995 | 34.3% | 2008 | 40.2% | 2021 | 33.3% |
| 1996 | 35.7% | 2009 | 33.1% | 2022 | 41.4% |
| 1997 | 36.9% | 2010 | 35.5% | 2023 | 34.2% |
| 1998 | 31.8% | 2011 | 42.7% | 2024 | 31.9% |
| 1999 | 34.5% | 2012 | 42.7% | 2025 | 29.9% |
| 2000 | 43.4% | 2013 | 42.1% | 2026 | 31.8% |
| 2001 | 40.8% | 2014 | 39.8% | | |
| 2002 | 39.5% | 2015 | 31.1% | | |
Show data table
| 1990 | 2.13B | 2003 | 3.79B | 2016 | 7.22B |
| 1991 | 1.88B | 2004 | 4.31B | 2017 | 9.01B |
| 1992 | 1.94B | 2005 | 5.71B | 2018 | 11.1B |
| 1993 | 1.83B | 2006 | 6.92B | 2019 | 11.5B |
| 1994 | 1.84B | 2007 | 7.65B | 2020 | 8.43B |
| 1995 | 2.09B | 2008 | 10.8B | 2021 | 11.2B |
| 1996 | 2.4B | 2009 | 7.06B | 2022 | 17.5B |
| 1997 | 2.57B | 2010 | 8.88B | 2023 | 14B |
| 1998 | 1.96B | 2011 | 12.7B | 2024 | 13.2B |
| 1999 | 2.36B | 2012 | 14.4B | 2025 | 12.2B |
| 2000 | 3.71B | 2013 | 14.5B | 2026 | 14.3B |
| 2001 | 3.49B | 2014 | 14.2B | | |
| 2002 | 3.5B | 2015 | 9.4B | | |
Show data table
| 1990 | 36.5% | 2003 | 34% | 2016 | 44.6% |
| 1991 | 37.4% | 2004 | 34.1% | 2017 | 39.4% |
| 1992 | 40.1% | 2005 | 30.6% | 2018 | 38.3% |
| 1993 | 40.1% | 2006 | 30.1% | 2019 | 38.8% |
| 1994 | 39.7% | 2007 | 30.7% | 2020 | 44.5% |
| 1995 | 38.2% | 2008 | 25.6% | 2021 | 36.5% |
| 1996 | 33.5% | 2009 | 33.4% | 2022 | 31.1% |
| 1997 | 32.1% | 2010 | 30.6% | 2023 | 27.5% |
| 1998 | 36.1% | 2011 | 34.5% | 2024 | 28.7% |
| 1999 | 34.2% | 2012 | 38.6% | 2025 | 28.9% |
| 2000 | 31.2% | 2013 | 39.3% | 2026 | 26.6% |
| 2001 | 33.3% | 2014 | 41.4% | | |
| 2002 | 34.1% | 2015 | 44.5% | | |
Show data table
| 1990 | 1.88B | 2003 | 3.23B | 2016 | 12.9B |
| 1991 | 1.87B | 2004 | 3.72B | 2017 | 12.3B |
| 1992 | 2.2B | 2005 | 4.18B | 2018 | 13.5B |
| 1993 | 2.21B | 2006 | 4.92B | 2019 | 13.1B |
| 1994 | 2.26B | 2007 | 5.71B | 2020 | 13B |
| 1995 | 2.33B | 2008 | 6.87B | 2021 | 12.3B |
| 1996 | 2.26B | 2009 | 7.12B | 2022 | 13.1B |
| 1997 | 2.24B | 2010 | 7.64B | 2023 | 11.2B |
| 1998 | 2.23B | 2011 | 10.3B | 2024 | 11.8B |
| 1999 | 2.34B | 2012 | 13B | 2025 | 11.8B |
| 2000 | 2.67B | 2013 | 13.6B | 2026 | 12B |
| 2001 | 2.84B | 2014 | 14.8B | | |
| 2002 | 3.03B | 2015 | 13.5B | | |