Show data table
| 1980 | 38.7B | 1996 | 16.6B | 2012 | 55.8B |
| 1981 | 61.5B | 1997 | 17B | 2013 | 62.8B |
| 1982 | 71B | 1998 | 18.5B | 2014 | 54.7B |
| 1983 | 49.3B | 1999 | 19.2B | 2015 | 49.4B |
| 1984 | 18B | 2000 | 12.3B | 2016 | 56.1B |
| 1985 | 16B | 2001 | 13.1B | 2017 | 60.4B |
| 1986 | 15.1B | 2002 | 15.2B | 2018 | 67.3B |
| 1987 | 12.7B | 2003 | 18.8B | 2019 | 68.4B |
| 1988 | 13.6B | 2004 | 21.8B | 2020 | 70B |
| 1989 | 13.7B | 2005 | 26.4B | 2021 | 79.5B |
| 1990 | 15.9B | 2006 | 31B | 2022 | 73.9B |
| 1991 | 17.8B | 2007 | 36.5B | 2023 | 80.5B |
| 1992 | 17.7B | 2008 | 41.3B | 2024 | 83.3B |
| 1993 | 14.5B | 2009 | 37.1B | 2025 | 115B |
| 1994 | 13.4B | 2010 | 45.4B | 2026 | 118B |
| 1995 | 15.7B | 2011 | 53.6B | | |
Show data table
| 1980 | 11M | 1996 | 2.72B | 2012 | 102B |
| 1981 | 17M | 1997 | 3.49B | 2013 | 124B |
| 1982 | 20M | 1998 | 4.28B | 2014 | 159B |
| 1983 | 44M | 1999 | 5.11B | 2015 | 184B |
| 1984 | 65M | 2000 | 6.73B | 2016 | 220B |
| 1985 | 87M | 2001 | 9.39B | 2017 | 263B |
| 1986 | 135M | 2002 | 12.1B | 2018 | 309B |
| 1987 | 195M | 2003 | 16.3B | 2019 | 357B |
| 1988 | 274M | 2004 | 19.6B | 2020 | 392B |
| 1989 | 370M | 2005 | 23.9B | 2021 | 462B |
| 1990 | 518M | 2006 | 28.3B | 2022 | 614B |
| 1991 | 654M | 2007 | 34.1B | 2023 | 888B |
| 1992 | 772M | 2008 | 43.5B | 2024 | 1.18T |
| 1993 | 943M | 2009 | 52.2B | 2025 | 1.43T |
| 1994 | 1.28B | 2010 | 65B | 2026 | 1.6T |
| 1995 | 1.88B | 2011 | 81.5B | | |
Show data table
| 1980 | 27.4B | 1996 | 44.7B | 2012 | 116B |
| 1981 | 26.4B | 1997 | 47.3B | 2013 | 124B |
| 1982 | 24.2B | 1998 | 49.6B | 2014 | 128B |
| 1983 | 22.7B | 1999 | 51.9B | 2015 | 131B |
| 1984 | 24.8B | 2000 | 53.7B | 2016 | 135B |
| 1985 | 26.4B | 2001 | 55.8B | 2017 | 146B |
| 1986 | 28B | 2002 | 58.4B | 2018 | 155B |
| 1987 | 29.9B | 2003 | 61.4B | 2019 | 165B |
| 1988 | 31.8B | 2004 | 64.7B | 2020 | 166B |
| 1989 | 33.3B | 2005 | 68.7B | 2021 | 175B |
| 1990 | 34.5B | 2006 | 72.7B | 2022 | 181B |
| 1991 | 36.1B | 2007 | 75.7B | 2023 | 187B |
| 1992 | 37.7B | 2008 | 82.5B | 2024 | 198B |
| 1993 | 39.5B | 2009 | 87.2B | 2025 | 210B |
| 1994 | 40.9B | 2010 | 93.9B | 2026 | 220B |
| 1995 | 42.6B | 2011 | 107B | | |