Show data table
| 1990 | 20.6% | 2003 | 22.9% | 2016 | 27.4% |
| 1991 | 27.5% | 2004 | 21.8% | 2017 | 27.3% |
| 1992 | 23.5% | 2005 | 31% | 2018 | 26.7% |
| 1993 | 20.8% | 2006 | 30.5% | 2019 | 26.4% |
| 1994 | 25.8% | 2007 | 31.7% | 2020 | 26.7% |
| 1995 | 25.7% | 2008 | 25.6% | 2021 | 26.4% |
| 1996 | 25.3% | 2009 | 19.1% | 2022 | 30.8% |
| 1997 | 23.8% | 2010 | 19.6% | 2023 | 33.5% |
| 1998 | 23.7% | 2011 | 23.1% | 2024 | 32.3% |
| 1999 | 25% | 2012 | 22.9% | 2025 | 33.6% |
| 2000 | 25.2% | 2013 | 23.5% | 2026 | 30.9% |
| 2001 | 25.7% | 2014 | 26.7% | | |
| 2002 | 25.6% | 2015 | 27.3% | | |
Show data table
| 1990 | 454M | 2003 | 3.09B | 2016 | 18.6B |
| 1991 | 739M | 2004 | 3.43B | 2017 | 20.3B |
| 1992 | 759M | 2005 | 4.61B | 2018 | 22.2B |
| 1993 | 791M | 2006 | 6.15B | 2019 | 23.2B |
| 1994 | 1.14B | 2007 | 7.57B | 2020 | 15.2B |
| 1995 | 1.41B | 2008 | 7.46B | 2021 | 21.4B |
| 1996 | 1.57B | 2009 | 5.72B | 2022 | 29.3B |
| 1997 | 1.83B | 2010 | 6.5B | 2023 | 34.1B |
| 1998 | 1.93B | 2011 | 9.37B | 2024 | 35.1B |
| 1999 | 2.23B | 2012 | 10.1B | 2025 | 39.6B |
| 2000 | 2.37B | 2013 | 11.9B | 2026 | 38.7B |
| 2001 | 2.52B | 2014 | 15.2B | | |
| 2002 | 2.72B | 2015 | 17.3B | | |
Show data table
| 1990 | 33.3% | 2003 | 26.4% | 2016 | 37.3% |
| 1991 | 37.7% | 2004 | 24.1% | 2017 | 30.4% |
| 1992 | 36.1% | 2005 | 38.8% | 2018 | 31.9% |
| 1993 | 34.7% | 2006 | 35% | 2019 | 32.9% |
| 1994 | 30.6% | 2007 | 34.8% | 2020 | 50.4% |
| 1995 | 31.3% | 2008 | 35.6% | 2021 | 40.6% |
| 1996 | 27.3% | 2009 | 37% | 2022 | 42% |
| 1997 | 25.2% | 2010 | 33.2% | 2023 | 46.7% |
| 1998 | 25.9% | 2011 | 31.3% | 2024 | 43.9% |
| 1999 | 28% | 2012 | 29.8% | 2025 | 36.5% |
| 2000 | 29% | 2013 | 27% | 2026 | 42.1% |
| 2001 | 29.6% | 2014 | 29.1% | | |
| 2002 | 29.6% | 2015 | 33.8% | | |
Show data table
| 1990 | 735M | 2003 | 3.55B | 2016 | 25.3B |
| 1991 | 1.01B | 2004 | 3.78B | 2017 | 22.5B |
| 1992 | 1.17B | 2005 | 5.78B | 2018 | 26.5B |
| 1993 | 1.32B | 2006 | 7.07B | 2019 | 29B |
| 1994 | 1.36B | 2007 | 8.32B | 2020 | 28.8B |
| 1995 | 1.72B | 2008 | 10.3B | 2021 | 32.8B |
| 1996 | 1.69B | 2009 | 11.1B | 2022 | 39.9B |
| 1997 | 1.94B | 2010 | 11B | 2023 | 47.5B |
| 1998 | 2.11B | 2011 | 12.7B | 2024 | 47.7B |
| 1999 | 2.5B | 2012 | 13.2B | 2025 | 43.1B |
| 2000 | 2.74B | 2013 | 13.7B | 2026 | 52.8B |
| 2001 | 2.91B | 2014 | 16.5B | | |
| 2002 | 3.14B | 2015 | 21.4B | | |