Show data table
| 1980 | 3.02B | 1996 | 5.57B | 2012 | 8.42B |
| 1981 | 3.02B | 1997 | 6.5B | 2013 | 7.65B |
| 1982 | 2.88B | 1998 | 4.28B | 2014 | 8.53B |
| 1983 | 2.99B | 1999 | 4.34B | 2015 | 9.01B |
| 1984 | 2.95B | 2000 | 4.26B | 2016 | 7.73B |
| 1985 | 2.76B | 2001 | 4.18B | 2017 | 8.94B |
| 1986 | 2.88B | 2002 | 4.92B | 2018 | 9.88B |
| 1987 | 2.83B | 2003 | 4.52B | 2019 | 11B |
| 1988 | 3.26B | 2004 | 4.9B | 2020 | 11.8B |
| 1989 | 3.72B | 2005 | 5.15B | 2021 | 12.5B |
| 1990 | 4.22B | 2006 | 5.63B | 2022 | 12.5B |
| 1991 | 5.38B | 2007 | 6.24B | 2023 | 13.4B |
| 1992 | 4.39B | 2008 | 7.49B | 2024 | 11.8B |
| 1993 | 5.06B | 2009 | 8.72B | 2025 | 15B |
| 1994 | 2.93B | 2010 | 9.8B | 2026 | 18.2B |
| 1995 | 3.41B | 2011 | 11.2B | | |
Show data table
| 1980 | 2.45B | 1996 | 85.3B | 2012 | 2.11T |
| 1981 | 2.71B | 1997 | 107B | 2013 | 2.83T |
| 1982 | 3.04B | 1998 | 133B | 2014 | 3.62T |
| 1983 | 3.51B | 1999 | 191B | 2015 | 4.5T |
| 1984 | 4.17B | 2000 | 253B | 2016 | 5.55T |
| 1985 | 4.75B | 2001 | 302B | 2017 | 6.53T |
| 1986 | 5.37B | 2002 | 377B | 2018 | 7.24T |
| 1987 | 6.26B | 2003 | 440B | 2019 | 8.22T |
| 1988 | 8.35B | 2004 | 533B | 2020 | 8.82T |
| 1989 | 10.3B | 2005 | 610B | 2021 | 9.98T |
| 1990 | 11.5B | 2006 | 766B | 2022 | 11.8T |
| 1991 | 15.1B | 2007 | 874B | 2023 | 15.47T |
| 1992 | 15.8B | 2008 | 1.05T | 2024 | 20.31T |
| 1993 | 22.3B | 2009 | 1.23T | 2025 | 26.09T |
| 1994 | 25.6B | 2010 | 1.47T | 2026 | 32.31T |
| 1995 | 52.1B | 2011 | 1.76T | | |
Show data table
| 1980 | 1.8T | 1996 | 2.78T | 2012 | 5.36T |
| 1981 | 1.71T | 1997 | 2.96T | 2013 | 5.64T |
| 1982 | 1.75T | 1998 | 3T | 2014 | 5.96T |
| 1983 | 1.81T | 1999 | 3.1T | 2015 | 6.14T |
| 1984 | 1.91T | 2000 | 3.13T | 2016 | 6.28T |
| 1985 | 2T | 2001 | 3T | 2017 | 6.53T |
| 1986 | 2T | 2002 | 3.05T | 2018 | 6.82T |
| 1987 | 2.03T | 2003 | 3.23T | 2019 | 7.19T |
| 1988 | 2.09T | 2004 | 3.4T | 2020 | 7.26T |
| 1989 | 2.12T | 2005 | 3.51T | 2021 | 7.59T |
| 1990 | 2.24T | 2006 | 3.68T | 2022 | 7.66T |
| 1991 | 2.44T | 2007 | 4.03T | 2023 | 7.81T |
| 1992 | 2.26T | 2008 | 4.34T | 2024 | 7.94T |
| 1993 | 2.48T | 2009 | 4.7T | 2025 | 8.11T |
| 1994 | 2.22T | 2010 | 5.02T | 2026 | 8.29T |
| 1995 | 2.53T | 2011 | 5.26T | | |