Show data table
| 1980 | 958M | 1996 | 2.36B | 2012 | 17.9B |
| 1981 | 1.13B | 1997 | 2.27B | 2013 | 17.9B |
| 1982 | 1.09B | 1998 | 2.56B | 2014 | 18.2B |
| 1983 | 1.1B | 1999 | 2.26B | 2015 | 14.6B |
| 1984 | 1.18B | 2000 | 2.04B | 2016 | 13.1B |
| 1985 | 1.28B | 2001 | 2.51B | 2017 | 13.3B |
| 1986 | 1.57B | 2002 | 2.93B | 2018 | 15.2B |
| 1987 | 1.78B | 2003 | 4.03B | 2019 | 14.8B |
| 1988 | 2.08B | 2004 | 6.49B | 2020 | 14.8B |
| 1989 | 1.97B | 2005 | 8.66B | 2021 | 17B |
| 1990 | 2.37B | 2006 | 9.71B | 2022 | 18.1B |
| 1991 | 2.35B | 2007 | 10.9B | 2023 | 18.6B |
| 1992 | 2.45B | 2008 | 13.4B | 2024 | 20.7B |
| 1993 | 2.14B | 2009 | 12.3B | 2025 | 22.1B |
| 1994 | 1.73B | 2010 | 14.1B | 2026 | 25.6B |
| 1995 | 2.12B | 2011 | 16.7B | | |
Show data table
| 1980 | 216B | 1996 | 1.21T | 2012 | 9.12T |
| 1981 | 326B | 1997 | 1.32T | 2013 | 8.82T |
| 1982 | 368B | 1998 | 1.51T | 2014 | 8.98T |
| 1983 | 457B | 1999 | 1.39T | 2015 | 8.61T |
| 1984 | 564B | 2000 | 1.45T | 2016 | 7.75T |
| 1985 | 573B | 2001 | 1.84T | 2017 | 7.7T |
| 1986 | 544B | 2002 | 2.03T | 2018 | 8.42T |
| 1987 | 535B | 2003 | 2.33T | 2019 | 8.68T |
| 1988 | 620B | 2004 | 3.42T | 2020 | 8.51T |
| 1989 | 627B | 2005 | 4.56T | 2021 | 9.41T |
| 1990 | 645B | 2006 | 5.07T | 2022 | 11.24T |
| 1991 | 662B | 2007 | 5.2T | 2023 | 11.3T |
| 1992 | 648B | 2008 | 5.97T | 2024 | 12.52T |
| 1993 | 605B | 2009 | 5.79T | 2025 | 12.83T |
| 1994 | 962B | 2010 | 6.96T | 2026 | 14.26T |
| 1995 | 1.06T | 2011 | 7.86T | | |
Show data table
| 1980 | 1.36T | 1996 | 2.47T | 2012 | 7.52T |
| 1981 | 1.21T | 1997 | 2.61T | 2013 | 7.73T |
| 1982 | 1.28T | 1998 | 2.79T | 2014 | 7.91T |
| 1983 | 1.48T | 1999 | 2.78T | 2015 | 8.16T |
| 1984 | 1.56T | 2000 | 2.75T | 2016 | 7.87T |
| 1985 | 1.68T | 2001 | 3.07T | 2017 | 7.7T |
| 1986 | 1.78T | 2002 | 3.33T | 2018 | 8.1T |
| 1987 | 1.85T | 2003 | 3.82T | 2019 | 8.58T |
| 1988 | 1.99T | 2004 | 5.11T | 2020 | 8.58T |
| 1989 | 2.03T | 2005 | 5.49T | 2021 | 8.75T |
| 1990 | 2.09T | 2006 | 5.46T | 2022 | 9.16T |
| 1991 | 2.31T | 2007 | 5.7T | 2023 | 9.62T |
| 1992 | 2.36T | 2008 | 5.88T | 2024 | 10.1T |
| 1993 | 2.31T | 2009 | 5.8T | 2025 | 10.67T |
| 1994 | 2.44T | 2010 | 6.6T | 2026 | 11.22T |
| 1995 | 2.42T | 2011 | 6.9T | | |