Show data table
| 1980 | 2.66B | 1996 | 5B | 2012 | 13.7B |
| 1981 | 2.93B | 1997 | 5.75B | 2013 | 14.9B |
| 1982 | 3.05B | 1998 | 6.41B | 2014 | 15.1B |
| 1983 | 3.27B | 1999 | 7.15B | 2015 | 14.8B |
| 1984 | 3.63B | 2000 | 6.81B | 2016 | 14B |
| 1985 | 4.03B | 2001 | 6.29B | 2017 | 15B |
| 1986 | 4.48B | 2002 | 6.06B | 2018 | 16.5B |
| 1987 | 2.21B | 2003 | 4.87B | 2019 | 14.8B |
| 1988 | 1.45B | 2004 | 6.04B | 2020 | 14.5B |
| 1989 | 1.34B | 2005 | 7.19B | 2021 | 21B |
| 1990 | 1.71B | 2006 | 7.51B | 2022 | 19.8B |
| 1991 | 1.53B | 2007 | 9.52B | 2023 | 19.6B |
| 1992 | 918M | 2008 | 10.5B | 2024 | 25.3B |
| 1993 | 1.11B | 2009 | 11.6B | 2025 | 32.1B |
| 1994 | 3.05B | 2010 | 11.9B | 2026 | 39.2B |
| 1995 | 4.85B | 2011 | 13B | | |
Show data table
| 1980 | 13.3B | 1996 | 80.4B | 2012 | 570B |
| 1981 | 14.7B | 1997 | 93.1B | 2013 | 643B |
| 1982 | 15.2B | 1998 | 109B | 2014 | 676B |
| 1983 | 16.4B | 1999 | 119B | 2015 | 720B |
| 1984 | 18.1B | 2000 | 134B | 2016 | 844B |
| 1985 | 20.1B | 2001 | 151B | 2017 | 987B |
| 1986 | 22.4B | 2002 | 164B | 2018 | 1.08T |
| 1987 | 11B | 2003 | 195B | 2019 | 1.24T |
| 1988 | 7.25B | 2004 | 240B | 2020 | 1.45T |
| 1989 | 6.7B | 2005 | 280B | 2021 | 1.7T |
| 1990 | 8.53B | 2006 | 312B | 2022 | 2.17T |
| 1991 | 9.19B | 2007 | 356B | 2023 | 2.8T |
| 1992 | 8.98B | 2008 | 401B | 2024 | 3.34T |
| 1993 | 13.6B | 2009 | 472B | 2025 | 4.19T |
| 1994 | 45.1B | 2010 | 478B | 2026 | 5.14T |
| 1995 | 70.2B | 2011 | 524B | | |
Show data table
| 1980 | 466B | 1996 | 428B | 2012 | 570B |
| 1981 | 471B | 1997 | 440B | 2013 | 595B |
| 1982 | 458B | 1998 | 450B | 2014 | 605B |
| 1983 | 451B | 1999 | 462B | 2015 | 620B |
| 1984 | 452B | 2000 | 466B | 2016 | 632B |
| 1985 | 455B | 2001 | 464B | 2017 | 647B |
| 1986 | 457B | 2002 | 469B | 2018 | 658B |
| 1987 | 455B | 2003 | 485B | 2019 | 647B |
| 1988 | 457B | 2004 | 479B | 2020 | 626B |
| 1989 | 452B | 2005 | 494B | 2021 | 614B |
| 1990 | 450B | 2006 | 503B | 2022 | 604B |
| 1991 | 456B | 2007 | 526B | 2023 | 593B |
| 1992 | 445B | 2008 | 540B | 2024 | 568B |
| 1993 | 424B | 2009 | 572B | 2025 | 553B |
| 1994 | 374B | 2010 | 540B | 2026 | 543B |
| 1995 | 411B | 2011 | 567B | | |