Show data table
| 1977 | 5.65M | 1994 | 170M | 2011 | 363M |
| 1978 | 14.3M | 1995 | 166M | 2012 | 327M |
| 1979 | 24.4M | 1996 | 141M | 2013 | 306M |
| 1980 | 31.8M | 1997 | 161M | 2014 | 346M |
| 1981 | 31.2M | 1998 | 181M | 2015 | 384M |
| 1982 | 23.6M | 1999 | 170M | 2016 | 514M |
| 1983 | 24.5M | 2000 | 185M | 2017 | 522M |
| 1984 | 26.1M | 2001 | 210M | 2018 | 498M |
| 1985 | 21M | 2002 | 224M | 2019 | 515M |
| 1986 | 34.3M | 2003 | 301M | 2020 | 499M |
| 1987 | 73.8M | 2004 | 314M | 2021 | 537M |
| 1988 | 93.7M | 2005 | 284M | 2022 | 513M |
| 1989 | 103M | 2006 | 273M | 2023 | 350M |
| 1990 | 156M | 2007 | 306M | 2024 | 519M |
| 1991 | 172M | 2008 | 332M | 2025 | 614M |
| 1992 | 178M | 2009 | 330M | | |
| 1993 | 186M | 2010 | 349M | | |
Show data table
| 1977 | 1.4% | 1994 | 4% | 2011 | 2.4% |
| 1978 | 2.9% | 1995 | 3.5% | 2012 | 2.3% |
| 1979 | 3.5% | 1996 | 2.9% | 2013 | 2.1% |
| 1980 | 3.2% | 1997 | 3.2% | 2014 | 2.2% |
| 1981 | 3% | 1998 | 3.8% | 2015 | 2.8% |
| 1982 | 2.7% | 1999 | 3.1% | 2016 | 3.4% |
| 1983 | 2.3% | 2000 | 3.2% | 2017 | 3.2% |
| 1984 | 2.4% | 2001 | 3.8% | 2018 | 2.9% |
| 1985 | 2.2% | 2002 | 4.1% | 2019 | 3.1% |
| 1986 | 2.7% | 2003 | 4% | 2020 | 3.3% |
| 1987 | 4.8% | 2004 | 3.5% | 2021 | 3% |
| 1988 | 4.9% | 2005 | 2.9% | 2022 | 2.5% |
| 1989 | 3.6% | 2006 | 2.8% | 2023 | 1.8% |
| 1990 | 4.4% | 2007 | 2.9% | 2024 | 2.7% |
| 1991 | 4.6% | 2008 | 3.1% | 2025 | 3.1% |
| 1992 | 4.5% | 2009 | 3.3% | | |
| 1993 | 4.9% | 2010 | 2.8% | | |