Show data table
| 1990 | 53.2% | 2003 | 35.2% | 2016 | 30.9% |
| 1991 | 55% | 2004 | 47.6% | 2017 | 27.8% |
| 1992 | 51.5% | 2005 | 38.8% | 2018 | 31.2% |
| 1993 | 53.3% | 2006 | 37.9% | 2019 | 33.5% |
| 1994 | 48% | 2007 | 39.8% | 2020 | 32.6% |
| 1995 | 46.5% | 2008 | 33% | 2021 | 29.6% |
| 1996 | 46.4% | 2009 | 50.6% | 2022 | 34.7% |
| 1997 | 38.2% | 2010 | 36.6% | 2023 | 32.2% |
| 1998 | 48.1% | 2011 | 33.7% | 2024 | 26.7% |
| 1999 | 38% | 2012 | 39.5% | 2025 | 26.1% |
| 2000 | 34.4% | 2013 | 47.6% | 2026 | 25.5% |
| 2001 | 36.6% | 2014 | 45.7% | | |
| 2002 | 39.5% | 2015 | 57% | | |
Show data table
| 1990 | 12.1B | 2003 | 30.4B | 2016 | 171B |
| 1991 | 11.2B | 2004 | 53.1B | 2017 | 163B |
| 1992 | 12B | 2005 | 63B | 2018 | 208B |
| 1993 | 11.3B | 2006 | 81B | 2019 | 215B |
| 1994 | 10.4B | 2007 | 110B | 2020 | 171B |
| 1995 | 11.6B | 2008 | 135B | 2021 | 194B |
| 1996 | 13.1B | 2009 | 162B | 2022 | 298B |
| 1997 | 13.9B | 2010 | 159B | 2023 | 255B |
| 1998 | 14.9B | 2011 | 206B | 2024 | 213B |
| 1999 | 15.6B | 2012 | 269B | 2025 | 210B |
| 2000 | 22.7B | 2013 | 344B | 2026 | 202B |
| 2001 | 23.3B | 2014 | 343B | | |
| 2002 | 27.8B | 2015 | 336B | | |
Show data table
| 1990 | 50% | 2003 | 28.5% | 2016 | 40.1% |
| 1991 | 57.5% | 2004 | 29.9% | 2017 | 34.7% |
| 1992 | 54.2% | 2005 | 29% | 2018 | 28.9% |
| 1993 | 62.8% | 2006 | 29.5% | 2019 | 32.5% |
| 1994 | 59.8% | 2007 | 29.5% | 2020 | 34.7% |
| 1995 | 52.2% | 2008 | 23.5% | 2021 | 29.4% |
| 1996 | 55.2% | 2009 | 36.4% | 2022 | 24.3% |
| 1997 | 47.6% | 2010 | 32% | 2023 | 26.7% |
| 1998 | 55.1% | 2011 | 28.5% | 2024 | 26% |
| 1999 | 42.4% | 2012 | 31% | 2025 | 27.1% |
| 2000 | 29.8% | 2013 | 28.3% | 2026 | 29% |
| 2001 | 32.1% | 2014 | 32.3% | | |
| 2002 | 31.6% | 2015 | 38.6% | | |
Show data table
| 1990 | 11.4B | 2003 | 24.6B | 2016 | 222B |
| 1991 | 11.7B | 2004 | 33.4B | 2017 | 203B |
| 1992 | 12.6B | 2005 | 47.1B | 2018 | 193B |
| 1993 | 13.3B | 2006 | 63.1B | 2019 | 208B |
| 1994 | 12.9B | 2007 | 81.5B | 2020 | 182B |
| 1995 | 13B | 2008 | 96.5B | 2021 | 192B |
| 1996 | 15.6B | 2009 | 117B | 2022 | 209B |
| 1997 | 17.3B | 2010 | 139B | 2023 | 211B |
| 1998 | 17B | 2011 | 174B | 2024 | 208B |
| 1999 | 17.4B | 2012 | 211B | 2025 | 218B |
| 2000 | 19.6B | 2013 | 205B | 2026 | 229B |
| 2001 | 20.5B | 2014 | 243B | | |
| 2002 | 22.2B | 2015 | 227B | | |