Show data table
| 1980 | 64.2B | 1996 | 162B | 2012 | 525B |
| 1981 | 63.4B | 1997 | 160B | 2013 | 540B |
| 1982 | 62.5B | 1998 | 153B | 2014 | 516B |
| 1983 | 61.4B | 1999 | 161B | 2015 | 401B |
| 1984 | 61.9B | 2000 | 171B | 2016 | 383B |
| 1985 | 65.2B | 2001 | 174B | 2017 | 416B |
| 1986 | 78.4B | 2002 | 195B | 2018 | 455B |
| 1987 | 93.9B | 2003 | 229B | 2019 | 424B |
| 1988 | 101B | 2004 | 266B | 2020 | 382B |
| 1989 | 102B | 2005 | 311B | 2021 | 522B |
| 1990 | 119B | 2006 | 350B | 2022 | 617B |
| 1991 | 121B | 2007 | 408B | 2023 | 502B |
| 1992 | 130B | 2008 | 472B | 2024 | 501B |
| 1993 | 120B | 2009 | 396B | 2025 | 531B |
| 1994 | 126B | 2010 | 440B | 2026 | 599B |
| 1995 | 151B | 2011 | 513B | | |
Show data table
| 1980 | 317B | 1996 | 1.05T | 2012 | 3.05T |
| 1981 | 364B | 1997 | 1.13T | 2013 | 3.17T |
| 1982 | 403B | 1998 | 1.15T | 2014 | 3.25T |
| 1983 | 448B | 1999 | 1.26T | 2015 | 3.23T |
| 1984 | 505B | 2000 | 1.5T | 2016 | 3.22T |
| 1985 | 561B | 2001 | 1.56T | 2017 | 3.44T |
| 1986 | 580B | 2002 | 1.56T | 2018 | 3.7T |
| 1987 | 633B | 2003 | 1.62T | 2019 | 3.73T |
| 1988 | 661B | 2004 | 1.79T | 2020 | 3.6T |
| 1989 | 706B | 2005 | 2.01T | 2021 | 4.48T |
| 1990 | 747B | 2006 | 2.24T | 2022 | 5.94T |
| 1991 | 785B | 2007 | 2.39T | 2023 | 5.3T |
| 1992 | 808B | 2008 | 2.66T | 2024 | 5.38T |
| 1993 | 850B | 2009 | 2.49T | 2025 | 5.52T |
| 1994 | 892B | 2010 | 2.66T | 2026 | 5.8T |
| 1995 | 957B | 2011 | 2.87T | | |
Show data table
| 1980 | 1.9T | 1996 | 3.08T | 2012 | 4.39T |
| 1981 | 1.93T | 1997 | 3.23T | 2013 | 4.45T |
| 1982 | 1.93T | 1998 | 3.32T | 2014 | 4.54T |
| 1983 | 2.01T | 1999 | 3.39T | 2015 | 4.63T |
| 1984 | 2.13T | 2000 | 3.51T | 2016 | 4.69T |
| 1985 | 2.25T | 2001 | 3.59T | 2017 | 4.82T |
| 1986 | 2.34T | 2002 | 3.64T | 2018 | 4.87T |
| 1987 | 2.38T | 2003 | 3.68T | 2019 | 4.94T |
| 1988 | 2.37T | 2004 | 3.84T | 2020 | 4.88T |
| 1989 | 2.4T | 2005 | 3.95T | 2021 | 5.08T |
| 1990 | 2.45T | 2006 | 4.07T | 2022 | 5.29T |
| 1991 | 2.52T | 2007 | 4.2T | 2023 | 5.3T |
| 1992 | 2.6T | 2008 | 4.24T | 2024 | 5.38T |
| 1993 | 2.68T | 2009 | 4.17T | 2025 | 5.44T |
| 1994 | 2.81T | 2010 | 4.21T | 2026 | 5.52T |
| 1995 | 2.93T | 2011 | 4.27T | | |