Show data table
| 1980 | 12.7% | 1996 | 12.8% | 2012 | 24.7% |
| 1981 | 16.4% | 1997 | 14.7% | 2013 | 29.2% |
| 1982 | 23.4% | 1998 | 13.9% | 2014 | 30% |
| 1983 | 19.6% | 1999 | 15.3% | 2015 | 25.6% |
| 1984 | 17.5% | 2000 | 15.9% | 2016 | 23.7% |
| 1985 | 11.4% | 2001 | 16.3% | 2017 | 26.6% |
| 1986 | 12.1% | 2002 | 15.3% | 2018 | 25.5% |
| 1987 | 15.6% | 2003 | 16% | 2019 | 29.7% |
| 1988 | 20.6% | 2004 | 14.6% | 2020 | 27.7% |
| 1989 | 22.8% | 2005 | 14.9% | 2021 | 26.9% |
| 1990 | 16.5% | 2006 | 17.1% | 2022 | 27.7% |
| 1991 | 15.3% | 2007 | 18.7% | 2023 | 29.1% |
| 1992 | 19.2% | 2008 | 19.4% | 2024 | 27.1% |
| 1993 | 18.1% | 2009 | 21.3% | 2025 | 26.3% |
| 1994 | 18.9% | 2010 | 23.2% | 2026 | 26.5% |
| 1995 | 16.3% | 2011 | 24.6% | | |
Show data table
| 1980 | 21M | 1996 | 5.83B | 2012 | 117B |
| 1981 | 21M | 1997 | 8.29B | 2013 | 151B |
| 1982 | 32M | 1998 | 9.14B | 2014 | 169B |
| 1983 | 26M | 1999 | 12.3B | 2015 | 166B |
| 1984 | 25M | 2000 | 14.4B | 2016 | 180B |
| 1985 | 22M | 2001 | 19.1B | 2017 | 224B |
| 1986 | 26M | 2002 | 21.5B | 2018 | 231B |
| 1987 | 108M | 2003 | 25B | 2019 | 288B |
| 1988 | 229M | 2004 | 26.2B | 2020 | 274B |
| 1989 | 398M | 2005 | 30.5B | 2021 | 285B |
| 1990 | 545M | 2006 | 41.3B | 2022 | 334B |
| 1991 | 847M | 2007 | 52.3B | 2023 | 389B |
| 1992 | 1.35B | 2008 | 60.9B | 2024 | 393B |
| 1993 | 2.02B | 2009 | 72B | 2025 | 377B |
| 1994 | 3.38B | 2010 | 90B | 2026 | 400B |
| 1995 | 4.5B | 2011 | 104B | | |
Show data table
| 1980 | 14.2% | 1996 | 14.9% | 2012 | 28.1% |
| 1981 | 23.8% | 1997 | 16.5% | 2013 | 31.7% |
| 1982 | 27% | 1998 | 14.9% | 2014 | 39.7% |
| 1983 | 35.3% | 1999 | 15.6% | 2015 | 32.2% |
| 1984 | 30.9% | 2000 | 17.2% | 2016 | 28.7% |
| 1985 | 21% | 2001 | 20.8% | 2017 | 28.6% |
| 1986 | 24.2% | 2002 | 18.6% | 2018 | 31.2% |
| 1987 | 22.9% | 2003 | 18.6% | 2019 | 28% |
| 1988 | 27% | 2004 | 17.8% | 2020 | 33.9% |
| 1989 | 27% | 2005 | 17% | 2021 | 32.1% |
| 1990 | 21% | 2006 | 20.1% | 2022 | 32.9% |
| 1991 | 17.3% | 2007 | 20.9% | 2023 | 33.3% |
| 1992 | 21.1% | 2008 | 21.3% | 2024 | 33.3% |
| 1993 | 20.7% | 2009 | 25.7% | 2025 | 30.3% |
| 1994 | 22.9% | 2010 | 26.6% | 2026 | 32.9% |
| 1995 | 18.8% | 2011 | 28.9% | | |
Show data table
| 1980 | 23M | 1996 | 6.77B | 2012 | 133B |
| 1981 | 30M | 1997 | 9.31B | 2013 | 164B |
| 1982 | 37M | 1998 | 9.85B | 2014 | 224B |
| 1983 | 47M | 1999 | 12.5B | 2015 | 208B |
| 1984 | 45M | 2000 | 15.5B | 2016 | 219B |
| 1985 | 41M | 2001 | 24.3B | 2017 | 241B |
| 1986 | 52M | 2002 | 26.2B | 2018 | 282B |
| 1987 | 159M | 2003 | 29.1B | 2019 | 272B |
| 1988 | 301M | 2004 | 31.8B | 2020 | 335B |
| 1989 | 472M | 2005 | 34.7B | 2021 | 340B |
| 1990 | 690M | 2006 | 48.6B | 2022 | 397B |
| 1991 | 958M | 2007 | 58.4B | 2023 | 446B |
| 1992 | 1.48B | 2008 | 66.9B | 2024 | 484B |
| 1993 | 2.31B | 2009 | 86.7B | 2025 | 433B |
| 1994 | 4.1B | 2010 | 103B | 2026 | 498B |
| 1995 | 5.18B | 2011 | 123B | | |