Show data table
| 1980 | 20.5% | 1996 | 23.5% | 2012 | 34% |
| 1981 | 18.6% | 1997 | 18.1% | 2013 | 45.4% |
| 1982 | 18.5% | 1998 | 17.3% | 2014 | 42% |
| 1983 | 16.3% | 1999 | 15.5% | 2015 | 42.3% |
| 1984 | 17.5% | 2000 | 13.3% | 2016 | 36% |
| 1985 | 18.1% | 2001 | 13.3% | 2017 | 38.1% |
| 1986 | 18.7% | 2002 | 10.4% | 2018 | 36.3% |
| 1987 | 20.2% | 2003 | 21.5% | 2019 | 34.1% |
| 1988 | 21.6% | 2004 | 26.9% | 2020 | 37.9% |
| 1989 | 24.3% | 2005 | 26.2% | 2021 | 35.1% |
| 1990 | 25.8% | 2006 | 28.7% | 2022 | 40.8% |
| 1991 | 33.4% | 2007 | 34.8% | 2023 | 40.1% |
| 1992 | 33.1% | 2008 | 26% | 2024 | 37.5% |
| 1993 | 30.1% | 2009 | 24.8% | 2025 | 37.4% |
| 1994 | 29.1% | 2010 | 28.2% | 2026 | 37.4% |
| 1995 | 23.5% | 2011 | 32.8% | | |
Show data table
| 1980 | 37M | 1996 | 508M | 2012 | 2.96B |
| 1981 | 37M | 1997 | 420M | 2013 | 4.26B |
| 1982 | 41M | 1998 | 453M | 2014 | 4.13B |
| 1983 | 40M | 1999 | 433M | 2015 | 4.38B |
| 1984 | 48M | 2000 | 336M | 2016 | 3.95B |
| 1985 | 53M | 2001 | 340M | 2017 | 4.42B |
| 1986 | 57M | 2002 | 288M | 2018 | 4.66B |
| 1987 | 74M | 2003 | 673M | 2019 | 4.51B |
| 1988 | 94M | 2004 | 943M | 2020 | 4.79B |
| 1989 | 114M | 2005 | 1.09B | 2021 | 4.39B |
| 1990 | 166M | 2006 | 1.35B | 2022 | 4.88B |
| 1991 | 244M | 2007 | 1.85B | 2023 | 5.05B |
| 1992 | 309M | 2008 | 1.57B | 2024 | 5.02B |
| 1993 | 342M | 2009 | 1.61B | 2025 | 5.3B |
| 1994 | 458M | 2010 | 2.05B | 2026 | 5.71B |
| 1995 | 446M | 2011 | 2.67B | | |
Show data table
| 1980 | 17.6% | 1996 | 20.4% | 2012 | 29.4% |
| 1981 | 19.5% | 1997 | 16.3% | 2013 | 41.8% |
| 1982 | 17.9% | 1998 | 13.1% | 2014 | 39.8% |
| 1983 | 17% | 1999 | 15.8% | 2015 | 41.5% |
| 1984 | 23.3% | 2000 | 15.8% | 2016 | 39.6% |
| 1985 | 25.6% | 2001 | 15.3% | 2017 | 40.4% |
| 1986 | 28% | 2002 | 14.1% | 2018 | 34.8% |
| 1987 | 42% | 2003 | 12.6% | 2019 | 35.6% |
| 1988 | 35.7% | 2004 | 12.5% | 2020 | 40.4% |
| 1989 | 37.2% | 2005 | 14.7% | 2021 | 36.9% |
| 1990 | 25.4% | 2006 | 17.4% | 2022 | 43.5% |
| 1991 | 33.2% | 2007 | 21.1% | 2023 | 44.2% |
| 1992 | 29.6% | 2008 | 24.3% | 2024 | 39.6% |
| 1993 | 28.1% | 2009 | 22.7% | 2025 | 40.6% |
| 1994 | 25.5% | 2010 | 22.6% | 2026 | 40.8% |
| 1995 | 20.8% | 2011 | 26.7% | | |
Show data table
| 1980 | 32M | 1996 | 440M | 2012 | 2.56B |
| 1981 | 39M | 1997 | 378M | 2013 | 3.92B |
| 1982 | 40M | 1998 | 342M | 2014 | 3.92B |
| 1983 | 42M | 1999 | 441M | 2015 | 4.29B |
| 1984 | 64M | 2000 | 399M | 2016 | 4.34B |
| 1985 | 74M | 2001 | 392M | 2017 | 4.68B |
| 1986 | 85M | 2002 | 389M | 2018 | 4.47B |
| 1987 | 155M | 2003 | 394M | 2019 | 4.71B |
| 1988 | 156M | 2004 | 436M | 2020 | 5.1B |
| 1989 | 175M | 2005 | 611M | 2021 | 4.62B |
| 1990 | 163M | 2006 | 816M | 2022 | 5.21B |
| 1991 | 243M | 2007 | 1.12B | 2023 | 5.57B |
| 1992 | 277M | 2008 | 1.46B | 2024 | 5.3B |
| 1993 | 319M | 2009 | 1.47B | 2025 | 5.76B |
| 1994 | 400M | 2010 | 1.64B | 2026 | 6.23B |
| 1995 | 395M | 2011 | 2.17B | | |