Show data table
| 1980 | 23.1B | 1996 | 46.8B | 2012 | 128B |
| 1981 | 23.7B | 1997 | 47.4B | 2013 | 136B |
| 1982 | 24.1B | 1998 | 48.8B | 2014 | 141B |
| 1983 | 21.9B | 1999 | 49.2B | 2015 | 125B |
| 1984 | 21.2B | 2000 | 47.3B | 2016 | 129B |
| 1985 | 21.5B | 2001 | 53.8B | 2017 | 143B |
| 1986 | 24.8B | 2002 | 67.6B | 2018 | 161B |
| 1987 | 27.2B | 2003 | 85.2B | 2019 | 165B |
| 1988 | 29.8B | 2004 | 104B | 2020 | 158B |
| 1989 | 30.4B | 2005 | 113B | 2021 | 183B |
| 1990 | 34.5B | 2006 | 116B | 2022 | 178B |
| 1991 | 34.9B | 2007 | 140B | 2023 | 213B |
| 1992 | 38.9B | 2008 | 158B | 2024 | 223B |
| 1993 | 40.3B | 2009 | 131B | 2025 | 247B |
| 1994 | 43.3B | 2010 | 132B | 2026 | 271B |
| 1995 | 46.6B | 2011 | 142B | | |
Show data table
| 1980 | 752B | 1996 | 7.15T | 2012 | 28.92T |
| 1981 | 813B | 1997 | 8.85T | 2013 | 30.34T |
| 1982 | 884B | 1998 | 10.46T | 2014 | 32.83T |
| 1983 | 935B | 1999 | 11.66T | 2015 | 34.98T |
| 1984 | 1.02T | 2000 | 13.34T | 2016 | 36.31T |
| 1985 | 1.08T | 2001 | 15.41T | 2017 | 39.34T |
| 1986 | 1.14T | 2002 | 17.44T | 2018 | 43.55T |
| 1987 | 1.28T | 2003 | 19.11T | 2019 | 47.94T |
| 1988 | 1.5T | 2004 | 21.09T | 2020 | 48.81T |
| 1989 | 1.8T | 2005 | 22.57T | 2021 | 55.56T |
| 1990 | 2.18T | 2006 | 24.32T | 2022 | 65.95T |
| 1991 | 2.61T | 2007 | 25.73T | 2023 | 75.29T |
| 1992 | 3.07T | 2008 | 27.23T | 2024 | 81.45T |
| 1993 | 3.7T | 2009 | 26.47T | 2025 | 86.45T |
| 1994 | 4.55T | 2010 | 27.43T | 2026 | 90.91T |
| 1995 | 5.86T | 2011 | 28.49T | | |
Show data table
| 1980 | 28.97T | 1996 | 29.11T | 2012 | 41.47T |
| 1981 | 29.8T | 1997 | 29.98T | 2013 | 42.31T |
| 1982 | 30.64T | 1998 | 31.13T | 2014 | 44.15T |
| 1983 | 30.87T | 1999 | 32.09T | 2015 | 45.76T |
| 1984 | 31.69T | 2000 | 33.5T | 2016 | 46.88T |
| 1985 | 31.61T | 2001 | 34.87T | 2017 | 48.81T |
| 1986 | 32.09T | 2002 | 36.51T | 2018 | 51.55T |
| 1987 | 33.39T | 2003 | 37.95T | 2019 | 54.17T |
| 1988 | 33.37T | 2004 | 39.84T | 2020 | 51.82T |
| 1989 | 33.62T | 2005 | 41.55T | 2021 | 55.56T |
| 1990 | 32.44T | 2006 | 43.18T | 2022 | 57.87T |
| 1991 | 28.58T | 2007 | 43.33T | 2023 | 57.39T |
| 1992 | 27.71T | 2008 | 43.76T | 2024 | 57.72T |
| 1993 | 27.55T | 2009 | 40.81T | 2025 | 57.95T |
| 1994 | 28.36T | 2010 | 41.24T | 2026 | 58.92T |
| 1995 | 29.08T | 2011 | 42.03T | | |