Show data table
| 1990 | 17% | 2003 | 16.3% | 2016 | 18.5% |
| 1991 | 16.5% | 2004 | 16.1% | 2017 | 18.8% |
| 1992 | 17.2% | 2005 | 14.9% | 2018 | 17.5% |
| 1993 | 18.9% | 2006 | 14.4% | 2019 | 17.8% |
| 1994 | 19.6% | 2007 | 16.1% | 2020 | 17.3% |
| 1995 | 18.6% | 2008 | 17.6% | 2021 | 16.5% |
| 1996 | 20.1% | 2009 | 15.8% | 2022 | 16.1% |
| 1997 | 20.2% | 2010 | 15.9% | 2023 | 18.1% |
| 1998 | 20.5% | 2011 | 17.6% | 2024 | 18% |
| 1999 | 21.1% | 2012 | 17.2% | 2025 | 19.6% |
| 2000 | 20.7% | 2013 | 16.9% | 2026 | 19.4% |
| 2001 | 19.4% | 2014 | 17.2% | | |
| 2002 | 18.2% | 2015 | 17.3% | | |
Show data table
| 1990 | 12.3B | 2003 | 28.5B | 2016 | 83.5B |
| 1991 | 13.2B | 2004 | 32B | 2017 | 90.5B |
| 1992 | 15.2B | 2005 | 32.6B | 2018 | 90.2B |
| 1993 | 19.2B | 2006 | 35.2B | 2019 | 91.3B |
| 1994 | 21.7B | 2007 | 44.8B | 2020 | 85.6B |
| 1995 | 23.9B | 2008 | 47.4B | 2021 | 103B |
| 1996 | 27.7B | 2009 | 46.6B | 2022 | 113B |
| 1997 | 30.3B | 2010 | 53.4B | 2023 | 126B |
| 1998 | 29B | 2011 | 62.7B | 2024 | 140B |
| 1999 | 31.8B | 2012 | 63.8B | 2025 | 158B |
| 2000 | 35B | 2013 | 65.5B | 2026 | 163B |
| 2001 | 31.1B | 2014 | 69.6B | | |
| 2002 | 30.4B | 2015 | 73.8B | | |
Show data table
| 1990 | 15.1% | 2003 | 15.6% | 2016 | 15.2% |
| 1991 | 15.8% | 2004 | 14.1% | 2017 | 13.6% |
| 1992 | 14.5% | 2005 | 12.4% | 2018 | 13.9% |
| 1993 | 14.5% | 2006 | 12.3% | 2019 | 14% |
| 1994 | 11.7% | 2007 | 9% | 2020 | 24% |
| 1995 | 13.8% | 2008 | 14% | 2021 | 15.4% |
| 1996 | 18.1% | 2009 | 15.9% | 2022 | 14.9% |
| 1997 | 14.5% | 2010 | 10.2% | 2023 | 14.6% |
| 1998 | 18.1% | 2011 | 9.7% | 2024 | 14.3% |
| 1999 | 15.9% | 2012 | 9.8% | 2025 | 15.5% |
| 2000 | 16.1% | 2013 | 10.9% | 2026 | 16.1% |
| 2001 | 18.2% | 2014 | 12.6% | | |
| 2002 | 15.9% | 2015 | 14.4% | | |
Show data table
| 1990 | 10.9B | 2003 | 27.3B | 2016 | 68.9B |
| 1991 | 12.7B | 2004 | 27.9B | 2017 | 65.4B |
| 1992 | 12.8B | 2005 | 27B | 2018 | 71.3B |
| 1993 | 14.8B | 2006 | 30B | 2019 | 72B |
| 1994 | 13B | 2007 | 25B | 2020 | 119B |
| 1995 | 17.7B | 2008 | 37.7B | 2021 | 95.9B |
| 1996 | 25B | 2009 | 46.8B | 2022 | 105B |
| 1997 | 21.8B | 2010 | 34.3B | 2023 | 102B |
| 1998 | 25.5B | 2011 | 34.4B | 2024 | 110B |
| 1999 | 23.9B | 2012 | 36.5B | 2025 | 125B |
| 2000 | 27.2B | 2013 | 42.4B | 2026 | 135B |
| 2001 | 29.1B | 2014 | 50.9B | | |
| 2002 | 26.6B | 2015 | 61.6B | | |