Show data table
| 1980 | 40.9% | 1996 | 24.6% | 2012 | 30.6% |
| 1981 | 28.9% | 1997 | 24% | 2013 | 38.6% |
| 1982 | 24.4% | 1998 | 24% | 2014 | 35.7% |
| 1983 | 25% | 1999 | 22.5% | 2015 | 34.7% |
| 1984 | 20.4% | 2000 | 20.5% | 2016 | 29.8% |
| 1985 | 19.8% | 2001 | 19.1% | 2017 | 27.2% |
| 1986 | 21.1% | 2002 | 22.8% | 2018 | 36% |
| 1987 | 23.5% | 2003 | 24.5% | 2019 | 37.2% |
| 1988 | 21.1% | 2004 | 26% | 2020 | 34.1% |
| 1989 | 21.1% | 2005 | 29.8% | 2021 | 47.5% |
| 1990 | 19.9% | 2006 | 29.9% | 2022 | 46.1% |
| 1991 | 19.1% | 2007 | 29.9% | 2023 | 43.9% |
| 1992 | 20.3% | 2008 | 28% | 2024 | 33.1% |
| 1993 | 21.6% | 2009 | 29.1% | 2025 | 30.7% |
| 1994 | 23% | 2010 | 27% | 2026 | 32.2% |
| 1995 | 24.6% | 2011 | 31.9% | | |
Show data table
| 1980 | 64M | 1996 | 207M | 2012 | 702M |
| 1981 | 54M | 1997 | 227M | 2013 | 935M |
| 1982 | 52M | 1998 | 237M | 2014 | 939M |
| 1983 | 52M | 1999 | 236M | 2015 | 897M |
| 1984 | 50M | 2000 | 242M | 2016 | 811M |
| 1985 | 54M | 2001 | 247M | 2017 | 777M |
| 1986 | 68M | 2002 | 308M | 2018 | 1.03B |
| 1987 | 86M | 2003 | 319M | 2019 | 1.09B |
| 1988 | 92M | 2004 | 371M | 2020 | 799M |
| 1989 | 102M | 2005 | 461M | 2021 | 1.08B |
| 1990 | 109M | 2006 | 542M | 2022 | 1.2B |
| 1991 | 104M | 2007 | 579M | 2023 | 1.23B |
| 1992 | 122M | 2008 | 587M | 2024 | 938M |
| 1993 | 141M | 2009 | 609M | 2025 | 897M |
| 1994 | 169M | 2010 | 568M | 2026 | 992M |
| 1995 | 194M | 2011 | 719M | | |
Show data table
| 1980 | 47.4% | 1996 | 26.8% | 2012 | 26.4% |
| 1981 | 33.3% | 1997 | 26.3% | 2013 | 27.9% |
| 1982 | 29% | 1998 | 29.1% | 2014 | 27.4% |
| 1983 | 29% | 1999 | 33.6% | 2015 | 29% |
| 1984 | 25.2% | 2000 | 33.3% | 2016 | 26.1% |
| 1985 | 28.2% | 2001 | 29.5% | 2017 | 25.5% |
| 1986 | 25.3% | 2002 | 34.1% | 2018 | 34.2% |
| 1987 | 38.8% | 2003 | 30% | 2019 | 37.9% |
| 1988 | 28.6% | 2004 | 32.4% | 2020 | 37.2% |
| 1989 | 24% | 2005 | 33% | 2021 | 42% |
| 1990 | 19.3% | 2006 | 31.2% | 2022 | 50.4% |
| 1991 | 18.2% | 2007 | 30.9% | 2023 | 43.7% |
| 1992 | 19.8% | 2008 | 29.5% | 2024 | 44.4% |
| 1993 | 21.3% | 2009 | 30.4% | 2025 | 42.4% |
| 1994 | 22.2% | 2010 | 31.2% | 2026 | 40.8% |
| 1995 | 23.7% | 2011 | 30.3% | | |
Show data table
| 1980 | 74M | 1996 | 226M | 2012 | 606M |
| 1981 | 62M | 1997 | 249M | 2013 | 676M |
| 1982 | 62M | 1998 | 288M | 2014 | 720M |
| 1983 | 61M | 1999 | 352M | 2015 | 751M |
| 1984 | 62M | 2000 | 394M | 2016 | 708M |
| 1985 | 77M | 2001 | 382M | 2017 | 729M |
| 1986 | 81M | 2002 | 460M | 2018 | 981M |
| 1987 | 142M | 2003 | 391M | 2019 | 1.11B |
| 1988 | 125M | 2004 | 461M | 2020 | 872M |
| 1989 | 116M | 2005 | 512M | 2021 | 955M |
| 1990 | 106M | 2006 | 566M | 2022 | 1.31B |
| 1991 | 99M | 2007 | 598M | 2023 | 1.22B |
| 1992 | 119M | 2008 | 620M | 2024 | 1.26B |
| 1993 | 140M | 2009 | 635M | 2025 | 1.24B |
| 1994 | 163M | 2010 | 655M | 2026 | 1.26B |
| 1995 | 187M | 2011 | 683M | | |