Show data table
| 1980 | 157M | 1996 | 611M | 2012 | 1.91B |
| 1981 | 187M | 1997 | 609M | 2013 | 2.03B |
| 1982 | 149M | 1998 | 648M | 2014 | 2.04B |
| 1983 | 144M | 1999 | 693M | 2015 | 1.75B |
| 1984 | 146M | 2000 | 699M | 2016 | 1.85B |
| 1985 | 164M | 2001 | 791M | 2017 | 2B |
| 1986 | 212M | 2002 | 867M | 2018 | 2.21B |
| 1987 | 264M | 2003 | 1.1B | 2019 | 2.25B |
| 1988 | 322M | 2004 | 1.26B | 2020 | 1.83B |
| 1989 | 332M | 2005 | 1.4B | 2021 | 2.05B |
| 1990 | 413M | 2006 | 1.45B | 2022 | 2.25B |
| 1991 | 443M | 2007 | 1.65B | 2023 | 2.5B |
| 1992 | 479M | 2008 | 1.96B | 2024 | 2.73B |
| 1993 | 431M | 2009 | 1.85B | 2025 | 3.08B |
| 1994 | 450M | 2010 | 1.83B | 2026 | 3.45B |
| 1995 | 570M | 2011 | 2.05B | | |
Show data table
| 1980 | 6.29B | 1996 | 50.5B | 2012 | 165B |
| 1981 | 9.1B | 1997 | 56.8B | 2013 | 169B |
| 1982 | 8.66B | 1998 | 63.6B | 2014 | 170B |
| 1983 | 10.3B | 1999 | 71.2B | 2015 | 174B |
| 1984 | 12.4B | 2000 | 81B | 2016 | 184B |
| 1985 | 15B | 2001 | 97.5B | 2017 | 195B |
| 1986 | 17B | 2002 | 102B | 2018 | 206B |
| 1987 | 19.1B | 2003 | 108B | 2019 | 222B |
| 1988 | 23.2B | 2004 | 112B | 2020 | 177B |
| 1989 | 25.9B | 2005 | 124B | 2021 | 191B |
| 1990 | 28.9B | 2006 | 128B | 2022 | 236B |
| 1991 | 31.6B | 2007 | 133B | 2023 | 255B |
| 1992 | 32.6B | 2008 | 148B | 2024 | 278B |
| 1993 | 34.6B | 2009 | 148B | 2025 | 301B |
| 1994 | 36.8B | 2010 | 152B | 2026 | 322B |
| 1995 | 43.8B | 2011 | 162B | | |
Show data table
| 1980 | 28B | 1996 | 64.2B | 2012 | 170B |
| 1981 | 30.4B | 1997 | 69.1B | 2013 | 171B |
| 1982 | 31.2B | 1998 | 74.9B | 2014 | 172B |
| 1983 | 34.2B | 1999 | 83.8B | 2015 | 174B |
| 1984 | 35.5B | 2000 | 89.9B | 2016 | 181B |
| 1985 | 38.6B | 2001 | 95.4B | 2017 | 190B |
| 1986 | 39.7B | 2002 | 100B | 2018 | 197B |
| 1987 | 41.4B | 2003 | 108B | 2019 | 210B |
| 1988 | 43.9B | 2004 | 113B | 2020 | 167B |
| 1989 | 46.4B | 2005 | 120B | 2021 | 178B |
| 1990 | 46.7B | 2006 | 131B | 2022 | 207B |
| 1991 | 47.3B | 2007 | 151B | 2023 | 216B |
| 1992 | 48.8B | 2008 | 161B | 2024 | 232B |
| 1993 | 52.4B | 2009 | 159B | 2025 | 245B |
| 1994 | 56B | 2010 | 162B | 2026 | 257B |
| 1995 | 60.2B | 2011 | 168B | | |