Show data table
| 1990 | 39.4% | 2003 | 29.5% | 2016 | 29.3% |
| 1991 | 41.5% | 2004 | 30.3% | 2017 | 28.2% |
| 1992 | 37% | 2005 | 31.6% | 2018 | 29.2% |
| 1993 | 33.1% | 2006 | 32.5% | 2019 | 28.9% |
| 1994 | 30.9% | 2007 | 31.5% | 2020 | 28.7% |
| 1995 | 31.1% | 2008 | 30.7% | 2021 | 30.5% |
| 1996 | 28.7% | 2009 | 29.5% | 2022 | 31.6% |
| 1997 | 28.3% | 2010 | 31.2% | 2023 | 31.3% |
| 1998 | 29.4% | 2011 | 30.9% | 2024 | 31.3% |
| 1999 | 31.5% | 2012 | 31.1% | 2025 | 32.8% |
| 2000 | 31% | 2013 | 31.8% | 2026 | 33.5% |
| 2001 | 30% | 2014 | 32% | | |
| 2002 | 29.5% | 2015 | 32.8% | | |
Show data table
| 1990 | 34M | 2003 | 56.7B | 2016 | 220B |
| 1991 | 92M | 2004 | 74B | 2017 | 240B |
| 1992 | 225M | 2005 | 90.7B | 2018 | 278B |
| 1993 | 670M | 2006 | 111B | 2019 | 306B |
| 1994 | 1.55B | 2007 | 134B | 2020 | 305B |
| 1995 | 2.26B | 2008 | 166B | 2021 | 362B |
| 1996 | 3.16B | 2009 | 156B | 2022 | 438B |
| 1997 | 7.24B | 2010 | 169B | 2023 | 498B |
| 1998 | 11.1B | 2011 | 182B | 2024 | 550B |
| 1999 | 17.4B | 2012 | 193B | 2025 | 627B |
| 2000 | 25.1B | 2013 | 201B | 2026 | 695B |
| 2001 | 35.2B | 2014 | 214B | | |
| 2002 | 44.9B | 2015 | 234B | | |
Show data table
| 1990 | 38.4% | 2003 | 31.8% | 2016 | 31.8% |
| 1991 | 38.3% | 2004 | 33.7% | 2017 | 31% |
| 1992 | 41.5% | 2005 | 32.3% | 2018 | 31.9% |
| 1993 | 33.5% | 2006 | 33.9% | 2019 | 33.4% |
| 1994 | 33.1% | 2007 | 34.6% | 2020 | 38.3% |
| 1995 | 34.4% | 2008 | 35.3% | 2021 | 37.2% |
| 1996 | 33.5% | 2009 | 36.3% | 2022 | 37.5% |
| 1997 | 33.5% | 2010 | 37.4% | 2023 | 37% |
| 1998 | 34.7% | 2011 | 35% | 2024 | 40% |
| 1999 | 35.1% | 2012 | 33.5% | 2025 | 40.5% |
| 2000 | 35% | 2013 | 34.2% | 2026 | 39.7% |
| 2001 | 33.2% | 2014 | 33.8% | | |
| 2002 | 32.1% | 2015 | 34.2% | | |
Show data table
| 1990 | 33M | 2003 | 61.1B | 2016 | 239B |
| 1991 | 85M | 2004 | 82.3B | 2017 | 264B |
| 1992 | 253M | 2005 | 92.7B | 2018 | 304B |
| 1993 | 677M | 2006 | 116B | 2019 | 354B |
| 1994 | 1.66B | 2007 | 147B | 2020 | 407B |
| 1995 | 2.51B | 2008 | 190B | 2021 | 442B |
| 1996 | 3.68B | 2009 | 193B | 2022 | 519B |
| 1997 | 8.56B | 2010 | 202B | 2023 | 588B |
| 1998 | 13.1B | 2011 | 206B | 2024 | 703B |
| 1999 | 19.4B | 2012 | 208B | 2025 | 773B |
| 2000 | 28.3B | 2013 | 216B | 2026 | 825B |
| 2001 | 38.9B | 2014 | 226B | | |
| 2002 | 48.9B | 2015 | 243B | | |