Show data table
| 1980 | 63M | 1996 | 527M | 2012 | 2.89B |
| 1981 | 73M | 1997 | 652M | 2013 | 3.29B |
| 1982 | 87M | 1998 | 693M | 2014 | 3.69B |
| 1983 | 94M | 1999 | 756M | 2015 | 4.12B |
| 1984 | 113M | 2000 | 801M | 2016 | 4.4B |
| 1985 | 134M | 2001 | 767M | 2017 | 4.81B |
| 1986 | 158M | 2002 | 828M | 2018 | 5.4B |
| 1987 | 149M | 2003 | 1.05B | 2019 | 5.72B |
| 1988 | 178M | 2004 | 1.23B | 2020 | 3.71B |
| 1989 | 201M | 2005 | 1.16B | 2021 | 5.24B |
| 1990 | 231M | 2006 | 1.58B | 2022 | 6.17B |
| 1991 | 262M | 2007 | 1.87B | 2023 | 6.61B |
| 1992 | 306M | 2008 | 2.27B | 2024 | 7.05B |
| 1993 | 346M | 2009 | 2.35B | 2025 | 7.67B |
| 1994 | 382M | 2010 | 2.59B | 2026 | 8.13B |
| 1995 | 466M | 2011 | 2.63B | | |
Show data table
| 1980 | 473M | 1996 | 6.21B | 2012 | 44.3B |
| 1981 | 554M | 1997 | 7.68B | 2013 | 50.6B |
| 1982 | 624M | 1998 | 8.16B | 2014 | 56.9B |
| 1983 | 666M | 1999 | 8.9B | 2015 | 63.5B |
| 1984 | 796M | 2000 | 9.43B | 2016 | 67.8B |
| 1985 | 951M | 2001 | 9.82B | 2017 | 74.1B |
| 1986 | 1.13B | 2002 | 10.6B | 2018 | 83.2B |
| 1987 | 1.37B | 2003 | 13.5B | 2019 | 88.1B |
| 1988 | 1.57B | 2004 | 15.7B | 2020 | 57.1B |
| 1989 | 1.82B | 2005 | 14.9B | 2021 | 80.7B |
| 1990 | 2.21B | 2006 | 20.2B | 2022 | 95B |
| 1991 | 2.69B | 2007 | 23.9B | 2023 | 102B |
| 1992 | 3.23B | 2008 | 29.1B | 2024 | 109B |
| 1993 | 3.79B | 2009 | 30B | 2025 | 118B |
| 1994 | 4.43B | 2010 | 33.1B | 2026 | 125B |
| 1995 | 5.48B | 2011 | 40.5B | | |
Show data table
| 1980 | 6.82B | 1996 | 22.4B | 2012 | 55.6B |
| 1981 | 7.36B | 1997 | 24.8B | 2013 | 59.5B |
| 1982 | 7.9B | 1998 | 27.2B | 2014 | 64.1B |
| 1983 | 8.25B | 1999 | 29.2B | 2015 | 66.6B |
| 1984 | 9.69B | 2000 | 30.6B | 2016 | 70.9B |
| 1985 | 11B | 2001 | 31B | 2017 | 75.9B |
| 1986 | 12B | 2002 | 32.9B | 2018 | 82.4B |
| 1987 | 13B | 2003 | 37.5B | 2019 | 88.1B |
| 1988 | 14.2B | 2004 | 39.8B | 2020 | 59.1B |
| 1989 | 15.5B | 2005 | 35.3B | 2021 | 81.3B |
| 1990 | 14.9B | 2006 | 43.7B | 2022 | 92.5B |
| 1991 | 15.9B | 2007 | 46.8B | 2023 | 97.2B |
| 1992 | 16.9B | 2008 | 51B | 2024 | 100B |
| 1993 | 17.8B | 2009 | 46.8B | 2025 | 105B |
| 1994 | 19.2B | 2010 | 50B | 2026 | 108B |
| 1995 | 20.6B | 2011 | 54.3B | | |