Show data table
| 1980 | 9.1B | 1996 | 8.38B | 2012 | 48.9B |
| 1981 | 6.53B | 1997 | 10.2B | 2013 | 52.9B |
| 1982 | 4.75B | 1998 | 10.9B | 2014 | 60.7B |
| 1983 | 6.49B | 1999 | 10.7B | 2015 | 64.5B |
| 1984 | 7.99B | 2000 | 13.1B | 2016 | 64.9B |
| 1985 | 5.55B | 2001 | 15.7B | 2017 | 48.9B |
| 1986 | 7.4B | 2002 | 18.1B | 2018 | 33.6B |
| 1987 | 12B | 2003 | 21.4B | 2019 | 31.5B |
| 1988 | 9.55B | 2004 | 26.6B | 2020 | 35.2B |
| 1989 | 16.9B | 2005 | 35.2B | 2021 | 35.1B |
| 1990 | 2.25B | 2006 | 45.3B | 2022 | 33.5B |
| 1991 | 2.53B | 2007 | 59.4B | 2023 | 36.9B |
| 1992 | 3.1B | 2008 | 64.8B | 2024 | 29.2B |
| 1993 | 5.25B | 2009 | 54.8B | 2025 | 39.7B |
| 1994 | 5.96B | 2010 | 65.7B | 2026 | 44.7B |
| 1995 | 6.69B | 2011 | 66.4B | | |
Show data table
| 1980 | 5M | 1996 | 10.5B | 2012 | 226B |
| 1981 | 6M | 1997 | 16.1B | 2013 | 314B |
| 1982 | 6M | 1998 | 21.9B | 2014 | 441B |
| 1983 | 8M | 1999 | 27.1B | 2015 | 506B |
| 1984 | 10M | 2000 | 33.8B | 2016 | 744B |
| 1985 | 13M | 2001 | 40.7B | 2017 | 886B |
| 1986 | 19M | 2002 | 47.8B | 2018 | 1.36T |
| 1987 | 34M | 2003 | 55.7B | 2019 | 2.01T |
| 1988 | 43M | 2004 | 68.7B | 2020 | 5.12T |
| 1989 | 76M | 2005 | 85.7B | 2021 | 14.66T |
| 1990 | 101M | 2006 | 98.3B | 2022 | 18.81T |
| 1991 | 177M | 2007 | 120B | 2023 | 26.03T |
| 1992 | 302M | 2008 | 136B | 2024 | 57.58T |
| 1993 | 836M | 2009 | 134B | 2025 | 121.08T |
| 1994 | 1.73B | 2010 | 171B | 2026 | 218.55T |
| 1995 | 3.89B | 2011 | 209B | | |
Show data table
| 1980 | 6.43B | 1996 | 11.3B | 2012 | 19.3B |
| 1981 | 6.83B | 1997 | 12B | 2013 | 19.7B |
| 1982 | 7.11B | 1998 | 13B | 2014 | 20.6B |
| 1983 | 7.01B | 1999 | 13.5B | 2015 | 21.6B |
| 1984 | 6.61B | 2000 | 14.7B | 2016 | 22.6B |
| 1985 | 6.57B | 2001 | 16.3B | 2017 | 22.8B |
| 1986 | 7.22B | 2002 | 17.2B | 2018 | 22.3B |
| 1987 | 7.69B | 2003 | 18.3B | 2019 | 21.7B |
| 1988 | 8.02B | 2004 | 19.3B | 2020 | 20.9B |
| 1989 | 8.13B | 2005 | 20.3B | 2021 | 21B |
| 1990 | 8.2B | 2006 | 21.7B | 2022 | 20.5B |
| 1991 | 8.78B | 2007 | 22.9B | 2023 | 16.3B |
| 1992 | 9.26B | 2008 | 23.8B | 2024 | 12.5B |
| 1993 | 9.52B | 2009 | 23.1B | 2025 | 12.9B |
| 1994 | 9.85B | 2010 | 24B | 2026 | 13B |
| 1995 | 10.7B | 2011 | 23.3B | | |