Show data table
| 1980 | 229M | 1996 | 850M | 2012 | 1.92B |
| 1981 | 238M | 1997 | 873M | 2013 | 2.04B |
| 1982 | 238M | 1998 | 929M | 2014 | 2.14B |
| 1983 | 251M | 1999 | 1B | 2015 | 2.19B |
| 1984 | 280M | 2000 | 1.14B | 2016 | 2.24B |
| 1985 | 278M | 2001 | 1.17B | 2017 | 2.27B |
| 1986 | 302M | 2002 | 1.24B | 2018 | 2.29B |
| 1987 | 354M | 2003 | 1.31B | 2019 | 2.38B |
| 1988 | 418M | 2004 | 1.4B | 2020 | 2.05B |
| 1989 | 482M | 2005 | 1.47B | 2021 | 2.43B |
| 1990 | 547M | 2006 | 1.59B | 2022 | 2.85B |
| 1991 | 597M | 2007 | 1.71B | 2023 | 3.05B |
| 1992 | 696M | 2008 | 1.74B | 2024 | 3.2B |
| 1993 | 752M | 2009 | 1.69B | 2025 | 3.33B |
| 1994 | 772M | 2010 | 1.75B | 2026 | 3.45B |
| 1995 | 819M | 2011 | 1.83B | | |
Show data table
| 1980 | 457M | 1996 | 1.7B | 2012 | 3.83B |
| 1981 | 476M | 1997 | 1.75B | 2013 | 4.07B |
| 1982 | 476M | 1998 | 1.86B | 2014 | 4.28B |
| 1983 | 502M | 1999 | 2B | 2015 | 4.39B |
| 1984 | 560M | 2000 | 2.28B | 2016 | 4.48B |
| 1985 | 555M | 2001 | 2.34B | 2017 | 4.53B |
| 1986 | 605M | 2002 | 2.49B | 2018 | 4.57B |
| 1987 | 707M | 2003 | 2.62B | 2019 | 4.76B |
| 1988 | 836M | 2004 | 2.8B | 2020 | 4.09B |
| 1989 | 964M | 2005 | 2.95B | 2021 | 4.86B |
| 1990 | 1.09B | 2006 | 3.18B | 2022 | 5.69B |
| 1991 | 1.19B | 2007 | 3.41B | 2023 | 6.11B |
| 1992 | 1.39B | 2008 | 3.48B | 2024 | 6.41B |
| 1993 | 1.51B | 2009 | 3.38B | 2025 | 6.65B |
| 1994 | 1.54B | 2010 | 3.5B | 2026 | 6.9B |
| 1995 | 1.64B | 2011 | 3.66B | | |
Show data table
| 1980 | 751M | 1996 | 2.06B | 2012 | 3.96B |
| 1981 | 752M | 1997 | 2.14B | 2013 | 4.12B |
| 1982 | 696M | 1998 | 2.23B | 2014 | 4.28B |
| 1983 | 738M | 1999 | 2.44B | 2015 | 4.4B |
| 1984 | 821M | 2000 | 2.73B | 2016 | 4.39B |
| 1985 | 810M | 2001 | 2.87B | 2017 | 4.31B |
| 1986 | 869M | 2002 | 3.02B | 2018 | 4.35B |
| 1987 | 1.06B | 2003 | 3.32B | 2019 | 4.53B |
| 1988 | 1.18B | 2004 | 3.48B | 2020 | 3.92B |
| 1989 | 1.36B | 2005 | 3.55B | 2021 | 4.63B |
| 1990 | 1.51B | 2006 | 3.71B | 2022 | 5.05B |
| 1991 | 1.69B | 2007 | 3.84B | 2023 | 5.08B |
| 1992 | 1.9B | 2008 | 3.77B | 2024 | 5.26B |
| 1993 | 2.02B | 2009 | 3.76B | 2025 | 5.4B |
| 1994 | 2.02B | 2010 | 3.81B | 2026 | 5.52B |
| 1995 | 2.03B | 2011 | 3.81B | | |