Show data table
| 1980 | 23.5B | 1996 | 71.1B | 2012 | 294B |
| 1981 | 25.8B | 1997 | 79.8B | 2013 | 303B |
| 1982 | 30.5B | 1998 | 89.2B | 2014 | 322B |
| 1983 | 37.3B | 1999 | 95B | 2015 | 350B |
| 1984 | 41.9B | 2000 | 105B | 2016 | 351B |
| 1985 | 48.8B | 2001 | 102B | 2017 | 247B |
| 1986 | 54.1B | 2002 | 90.3B | 2018 | 263B |
| 1987 | 77.4B | 2003 | 85.2B | 2019 | 318B |
| 1988 | 92.5B | 2004 | 82.9B | 2020 | 383B |
| 1989 | 115B | 2005 | 94.1B | 2021 | 423B |
| 1990 | 96.1B | 2006 | 113B | 2022 | 475B |
| 1991 | 48.4B | 2007 | 137B | 2023 | 394B |
| 1992 | 44.2B | 2008 | 171B | 2024 | 383B |
| 1993 | 49.5B | 2009 | 198B | 2025 | 365B |
| 1994 | 54.6B | 2010 | 230B | 2026 | 430B |
| 1995 | 63.3B | 2011 | 248B | | |
Show data table
| 1980 | 16.5B | 1996 | 241B | 2012 | 1.77T |
| 1981 | 18B | 1997 | 270B | 2013 | 1.96T |
| 1982 | 21.3B | 1998 | 302B | 2014 | 2.24T |
| 1983 | 26.1B | 1999 | 323B | 2015 | 2.58T |
| 1984 | 29.3B | 2000 | 358B | 2016 | 2.86T |
| 1985 | 34.2B | 2001 | 377B | 2017 | 3.66T |
| 1986 | 37.9B | 2002 | 398B | 2018 | 4.67T |
| 1987 | 54.2B | 2003 | 439B | 2019 | 5.6T |
| 1988 | 64.8B | 2004 | 510B | 2020 | 6.15T |
| 1989 | 80.8B | 2005 | 566B | 2021 | 6.66T |
| 1990 | 101B | 2006 | 649B | 2022 | 7.84T |
| 1991 | 117B | 2007 | 783B | 2023 | 10.16T |
| 1992 | 146B | 2008 | 942B | 2024 | 13.9T |
| 1993 | 165B | 2009 | 1.1T | 2025 | 18.14T |
| 1994 | 184B | 2010 | 1.27T | 2026 | 21.28T |
| 1995 | 215B | 2011 | 1.44T | | |
Show data table
| 1980 | 1.2T | 1996 | 2.39T | 2012 | 5.13T |
| 1981 | 1.22T | 1997 | 2.53T | 2013 | 5.3T |
| 1982 | 1.31T | 1998 | 2.72T | 2014 | 5.45T |
| 1983 | 1.43T | 1999 | 2.89T | 2015 | 5.69T |
| 1984 | 1.55T | 2000 | 3.05T | 2016 | 5.94T |
| 1985 | 1.66T | 2001 | 3.15T | 2017 | 6.18T |
| 1986 | 1.74T | 2002 | 3.25T | 2018 | 6.51T |
| 1987 | 1.81T | 2003 | 3.36T | 2019 | 6.88T |
| 1988 | 1.89T | 2004 | 3.5T | 2020 | 7.12T |
| 1989 | 1.94T | 2005 | 3.65T | 2021 | 7.35T |
| 1990 | 1.99T | 2006 | 3.9T | 2022 | 7.84T |
| 1991 | 2.03T | 2007 | 4.18T | 2023 | 8.14T |
| 1992 | 2.04T | 2008 | 4.48T | 2024 | 8.33T |
| 1993 | 2.1T | 2009 | 4.69T | 2025 | 8.7T |
| 1994 | 2.18T | 2010 | 4.93T | 2026 | 9.07T |
| 1995 | 2.28T | 2011 | 5.02T | | |