Show data table
| 1980 | 134M | 1996 | 289M | 2012 | 814M |
| 1981 | 126M | 1997 | 302M | 2013 | 859M |
| 1982 | 127M | 1998 | 290M | 2014 | 881M |
| 1983 | 130M | 1999 | 296M | 2015 | 871M |
| 1984 | 160M | 2000 | 300M | 2016 | 902M |
| 1985 | 146M | 2001 | 285M | 2017 | 999M |
| 1986 | 141M | 2002 | 290M | 2018 | 1B |
| 1987 | 154M | 2003 | 349M | 2019 | 1.05B |
| 1988 | 175M | 2004 | 403M | 2020 | 1.13B |
| 1989 | 170M | 2005 | 432M | 2021 | 1.06B |
| 1990 | 187M | 2006 | 481M | 2022 | 1.13B |
| 1991 | 223M | 2007 | 572M | 2023 | 1.2B |
| 1992 | 231M | 2008 | 644M | 2024 | 1.27B |
| 1993 | 222M | 2009 | 652M | 2025 | 1.32B |
| 1994 | 259M | 2010 | 721M | 2026 | 1.4B |
| 1995 | 276M | 2011 | 816M | | |
Show data table
| 1980 | 9.16B | 1996 | 32.3B | 2012 | 76.6B |
| 1981 | 11.1B | 1997 | 35B | 2013 | 81.6B |
| 1982 | 12.2B | 1998 | 37B | 2014 | 85.3B |
| 1983 | 12.9B | 1999 | 38.3B | 2015 | 93.2B |
| 1984 | 15.9B | 2000 | 41.4B | 2016 | 98.6B |
| 1985 | 15.5B | 2001 | 41.5B | 2017 | 108B |
| 1986 | 15B | 2002 | 40.4B | 2018 | 114B |
| 1987 | 16.9B | 2003 | 42.5B | 2019 | 122B |
| 1988 | 18.3B | 2004 | 45.1B | 2020 | 117B |
| 1989 | 19.8B | 2005 | 47.7B | 2021 | 120B |
| 1990 | 21.9B | 2006 | 53.8B | 2022 | 133B |
| 1991 | 24.9B | 2007 | 58.5B | 2023 | 142B |
| 1992 | 26.2B | 2008 | 66.2B | 2024 | 155B |
| 1993 | 27B | 2009 | 70B | 2025 | 163B |
| 1994 | 30.1B | 2010 | 71.9B | 2026 | 173B |
| 1995 | 30.9B | 2011 | 76.2B | | |
Show data table
| 1980 | 47.6B | 1996 | 75.1B | 2012 | 113B |
| 1981 | 49.7B | 1997 | 78.8B | 2013 | 117B |
| 1982 | 50.7B | 1998 | 79.7B | 2014 | 121B |
| 1983 | 52.2B | 1999 | 80B | 2015 | 125B |
| 1984 | 57.2B | 2000 | 84.7B | 2016 | 130B |
| 1985 | 57.8B | 2001 | 81.8B | 2017 | 135B |
| 1986 | 57.7B | 2002 | 77.6B | 2018 | 139B |
| 1987 | 56B | 2003 | 80.9B | 2019 | 143B |
| 1988 | 55.1B | 2004 | 84.1B | 2020 | 135B |
| 1989 | 55.9B | 2005 | 88.6B | 2021 | 133B |
| 1990 | 62.5B | 2006 | 96.1B | 2022 | 141B |
| 1991 | 64.4B | 2007 | 98.8B | 2023 | 149B |
| 1992 | 66.1B | 2008 | 104B | 2024 | 155B |
| 1993 | 66.6B | 2009 | 108B | 2025 | 159B |
| 1994 | 72.6B | 2010 | 109B | 2026 | 165B |
| 1995 | 73.4B | 2011 | 112B | | |