Show data table
| 1980 | 1.95B | 1996 | 3.2B | 2012 | 12.3B |
| 1981 | 2.23B | 1997 | 2.23B | 2013 | 12.8B |
| 1982 | 2.3B | 1998 | 2.56B | 2014 | 13.2B |
| 1983 | 2.32B | 1999 | 3.23B | 2015 | 11.4B |
| 1984 | 2.29B | 2000 | 3.49B | 2016 | 11.9B |
| 1985 | 2.34B | 2001 | 3.93B | 2017 | 13.1B |
| 1986 | 2.59B | 2002 | 4.36B | 2018 | 15.4B |
| 1987 | 2.57B | 2003 | 5.56B | 2019 | 15.6B |
| 1988 | 2.53B | 2004 | 7.18B | 2020 | 15.3B |
| 1989 | 2.78B | 2005 | 8.05B | 2021 | 18B |
| 1990 | 2.22B | 2006 | 8.9B | 2022 | 19.2B |
| 1991 | 1.33B | 2007 | 10.7B | 2023 | 23.6B |
| 1992 | 843M | 2008 | 12.9B | 2024 | 27.1B |
| 1993 | 1.46B | 2009 | 12B | 2025 | 30.3B |
| 1994 | 2.36B | 2010 | 11.9B | 2026 | 33.3B |
| 1995 | 2.88B | 2011 | 12.9B | | |
Show data table
| 1980 | 18.5B | 1996 | 334B | 2012 | 1.33T |
| 1981 | 19.1B | 1997 | 331B | 2013 | 1.35T |
| 1982 | 19.7B | 1998 | 385B | 2014 | 1.4T |
| 1983 | 19.9B | 1999 | 444B | 2015 | 1.43T |
| 1984 | 19.6B | 2000 | 501B | 2016 | 1.47T |
| 1985 | 20.1B | 2001 | 563B | 2017 | 1.55T |
| 1986 | 20.7B | 2002 | 610B | 2018 | 1.66T |
| 1987 | 20.5B | 2003 | 678B | 2019 | 1.71T |
| 1988 | 20.2B | 2004 | 738B | 2020 | 1.66T |
| 1989 | 22.2B | 2005 | 804B | 2021 | 1.87T |
| 1990 | 20B | 2006 | 873B | 2022 | 2.15T |
| 1991 | 19.5B | 2007 | 966B | 2023 | 2.36T |
| 1992 | 63.3B | 2008 | 1.08T | 2024 | 2.52T |
| 1993 | 149B | 2009 | 1.14T | 2025 | 2.66T |
| 1994 | 224B | 2010 | 1.24T | 2026 | 2.83T |
| 1995 | 267B | 2011 | 1.3T | | |
Show data table
| 1980 | 639B | 1996 | 685B | 2012 | 1.44T |
| 1981 | 675B | 1997 | 611B | 2013 | 1.45T |
| 1982 | 695B | 1998 | 664B | 2014 | 1.48T |
| 1983 | 702B | 1999 | 750B | 2015 | 1.51T |
| 1984 | 716B | 2000 | 802B | 2016 | 1.57T |
| 1985 | 706B | 2001 | 869B | 2017 | 1.62T |
| 1986 | 745B | 2002 | 908B | 2018 | 1.68T |
| 1987 | 739B | 2003 | 958B | 2019 | 1.71T |
| 1988 | 729B | 2004 | 1.01T | 2020 | 1.66T |
| 1989 | 800B | 2005 | 1.07T | 2021 | 1.8T |
| 1990 | 720B | 2006 | 1.13T | 2022 | 1.89T |
| 1991 | 519B | 2007 | 1.2T | 2023 | 1.97T |
| 1992 | 481B | 2008 | 1.29T | 2024 | 2.05T |
| 1993 | 527B | 2009 | 1.33T | 2025 | 2.12T |
| 1994 | 577B | 2010 | 1.38T | 2026 | 2.2T |
| 1995 | 628B | 2011 | 1.42T | | |