Show data table
| 1980 | 2.73B | 1996 | 1.35B | 2012 | 12.3B |
| 1981 | 2.85B | 1997 | 1.18B | 2013 | 12.6B |
| 1982 | 2.96B | 1998 | 1.12B | 2014 | 12.2B |
| 1983 | 3.07B | 1999 | 1.06B | 2015 | 11.6B |
| 1984 | 2.84B | 2000 | 1.14B | 2016 | 11.2B |
| 1985 | 3.29B | 2001 | 1.27B | 2017 | 11.5B |
| 1986 | 3.64B | 2002 | 1.4B | 2018 | 13.2B |
| 1987 | 4.09B | 2003 | 1.6B | 2019 | 14.2B |
| 1988 | 4.1B | 2004 | 1.99B | 2020 | 13.3B |
| 1989 | 4.28B | 2005 | 2.52B | 2021 | 15.3B |
| 1990 | 2.68B | 2006 | 3.41B | 2022 | 17.1B |
| 1991 | 2.82B | 2007 | 4.24B | 2023 | 20.3B |
| 1992 | 1.57B | 2008 | 5.62B | 2024 | 23.8B |
| 1993 | 771M | 2009 | 4.58B | 2025 | 25.4B |
| 1994 | 926M | 2010 | 7.19B | 2026 | 28.5B |
| 1995 | 1.45B | 2011 | 10.4B | | |
Show data table
| 1980 | 8.07B | 1996 | 738B | 2012 | 16.69T |
| 1981 | 8.88B | 1997 | 933B | 2013 | 19.17T |
| 1982 | 9.81B | 1998 | 945B | 2014 | 22.23T |
| 1983 | 10.5B | 1999 | 1.08T | 2015 | 22.89T |
| 1984 | 10.8B | 2000 | 1.22T | 2016 | 23.93T |
| 1985 | 11.2B | 2001 | 1.39T | 2017 | 28.01T |
| 1986 | 11.1B | 2002 | 1.55T | 2018 | 32.58T |
| 1987 | 11.6B | 2003 | 1.83T | 2019 | 37.84T |
| 1988 | 12.3B | 2004 | 2.36T | 2020 | 37.45T |
| 1989 | 12.8B | 2005 | 3.04T | 2021 | 43.56T |
| 1990 | 12.5B | 2006 | 4.03T | 2022 | 53.85T |
| 1991 | 22.6B | 2007 | 4.96T | 2023 | 70.44T |
| 1992 | 56.1B | 2008 | 6.56T | 2024 | 80.66T |
| 1993 | 228B | 2009 | 6.59T | 2025 | 89.94T |
| 1994 | 382B | 2010 | 9.76T | 2026 | 103.57T |
| 1995 | 651B | 2011 | 13.17T | | |
Show data table
| 1980 | 4.59T | 1996 | 6.85T | 2012 | 18.56T |
| 1981 | 4.98T | 1997 | 7.12T | 2013 | 20.72T |
| 1982 | 5.39T | 1998 | 7.36T | 2014 | 22.36T |
| 1983 | 5.71T | 1999 | 7.58T | 2015 | 22.89T |
| 1984 | 6.04T | 2000 | 7.67T | 2016 | 23.24T |
| 1985 | 6.39T | 2001 | 8.02T | 2017 | 24.55T |
| 1986 | 6.99T | 2002 | 8.45T | 2018 | 26.45T |
| 1987 | 7.24T | 2003 | 9.07T | 2019 | 27.93T |
| 1988 | 7.61T | 2004 | 9.92T | 2020 | 26.66T |
| 1989 | 7.93T | 2005 | 10.57T | 2021 | 27.09T |
| 1990 | 7.73T | 2006 | 11.43T | 2022 | 28.46T |
| 1991 | 7.02T | 2007 | 12.43T | 2023 | 30.57T |
| 1992 | 6.37T | 2008 | 13.41T | 2024 | 32.13T |
| 1993 | 6.17T | 2009 | 13.13T | 2025 | 34.33T |
| 1994 | 6.3T | 2010 | 14.09T | 2026 | 36.14T |
| 1995 | 6.7T | 2011 | 16.52T | | |