Show data table
| 1980 | 1.28B | 1996 | 1.23B | 2012 | 5.33B |
| 1981 | 1.43B | 1997 | 1.32B | 2013 | 5.51B |
| 1982 | 1.47B | 1998 | 1.59B | 2014 | 5.61B |
| 1983 | 1.42B | 1999 | 1.31B | 2015 | 5.13B |
| 1984 | 1.39B | 2000 | 1.35B | 2016 | 3.32B |
| 1985 | 1.4B | 2001 | 1.17B | 2017 | 3.59B |
| 1986 | 1.43B | 2002 | 1.47B | 2018 | 4B |
| 1987 | 1.57B | 2003 | 1.73B | 2019 | 4.02B |
| 1988 | 1.86B | 2004 | 2B | 2020 | 2.91B |
| 1989 | 2.18B | 2005 | 2.39B | 2021 | 3.08B |
| 1990 | 577M | 2006 | 2.81B | 2022 | 3.8B |
| 1991 | 637M | 2007 | 3.14B | 2023 | 3.46B |
| 1992 | 590M | 2008 | 3.78B | 2024 | 4.43B |
| 1993 | 465M | 2009 | 4.15B | 2025 | 4.66B |
| 1994 | 523M | 2010 | 4.68B | 2026 | 5.91B |
| 1995 | 993M | 2011 | 4.74B | | |
Show data table
| 1980 | 2M | 1996 | 495M | 2012 | 17.6B |
| 1981 | 3M | 1997 | 531M | 2013 | 18.2B |
| 1982 | 3M | 1998 | 638M | 2014 | 18.5B |
| 1983 | 3M | 1999 | 1.09B | 2015 | 17.5B |
| 1984 | 2M | 2000 | 1.79B | 2016 | 20.7B |
| 1985 | 3M | 2001 | 2.54B | 2017 | 26.9B |
| 1986 | 3M | 2002 | 3.46B | 2018 | 29.8B |
| 1987 | 3M | 2003 | 4.5B | 2019 | 31.7B |
| 1988 | 3M | 2004 | 5.47B | 2020 | 38.7B |
| 1989 | 4M | 2005 | 6.54B | 2021 | 60.7B |
| 1990 | 6M | 2006 | 7.72B | 2022 | 93.7B |
| 1991 | 6M | 2007 | 8.63B | 2023 | 128B |
| 1992 | 9M | 2008 | 10.4B | 2024 | 147B |
| 1993 | 21M | 2009 | 11.4B | 2025 | 174B |
| 1994 | 116M | 2010 | 12.8B | 2026 | 233B |
| 1995 | 440M | 2011 | 15.5B | | |
Show data table
| 1980 | 10.5B | 1996 | 9.15B | 2012 | 17.6B |
| 1981 | 10.7B | 1997 | 9.79B | 2013 | 18.1B |
| 1982 | 10B | 1998 | 10B | 2014 | 18.1B |
| 1983 | 9.5B | 1999 | 9.92B | 2015 | 17.5B |
| 1984 | 9.21B | 2000 | 9.91B | 2016 | 16.7B |
| 1985 | 9.13B | 2001 | 10.4B | 2017 | 16.9B |
| 1986 | 8.91B | 2002 | 10.8B | 2018 | 17.8B |
| 1987 | 8.13B | 2003 | 11.4B | 2019 | 18B |
| 1988 | 9.01B | 2004 | 12.3B | 2020 | 15.1B |
| 1989 | 9.21B | 2005 | 12.9B | 2021 | 14.7B |
| 1990 | 9.08B | 2006 | 13.6B | 2022 | 15.1B |
| 1991 | 7.82B | 2007 | 14.3B | 2023 | 15.4B |
| 1992 | 8.13B | 2008 | 14.9B | 2024 | 15.7B |
| 1993 | 7.95B | 2009 | 15.4B | 2025 | 15.9B |
| 1994 | 7.39B | 2010 | 16.2B | 2026 | 16.6B |
| 1995 | 8.23B | 2011 | 17.1B | | |