Show data table
| 1983 | 39.4M | 1998 | 16.1M | 2013 | 726M |
| 1984 | 40M | 1999 | 21M | 2014 | 392M |
| 1985 | 37.8M | 2000 | 21.3M | 2015 | 221M |
| 1986 | 48.8M | 2001 | 26.2M | 2016 | 310M |
| 1987 | 34.3M | 2002 | 34.3M | 2017 | 219M |
| 1988 | 77.9M | 2003 | 40.9M | 2018 | 253M |
| 1989 | 56.4M | 2004 | 50.5M | 2019 | 235M |
| 1990 | 34.3M | 2005 | 55.5M | 2020 | 323M |
| 1992 | 35.3M | 2006 | 223M | 2021 | 331M |
| 1993 | 39.2M | 2007 | 389M | 2022 | 332M |
| 1994 | 22.2M | 2008 | 611M | 2023 | 373M |
| 1995 | 20M | 2009 | 739M | 2024 | 558M |
| 1996 | 24.8M | 2010 | 616M | 2025 | 649M |
| 1997 | 16.6M | 2011 | 610M | | |
Show data table
| 1983 | 3.1% | 1998 | 0.6% | 2013 | 4.3% |
| 1984 | 3% | 1999 | 0.9% | 2014 | 2.2% |
| 1985 | 2.8% | 2000 | 1% | 2015 | 1.5% |
| 1986 | 3% | 2001 | 1% | 2016 | 2.3% |
| 1987 | 1.8% | 2002 | 1.1% | 2017 | 1.7% |
| 1988 | 3.6% | 2003 | 1% | 2018 | 1.7% |
| 1989 | 2.7% | 2004 | 0.7% | 2019 | 1.6% |
| 1990 | 1.4% | 2005 | 0.6% | 2020 | 2.2% |
| 1992 | 1.4% | 2006 | 2.2% | 2021 | 2.1% |
| 1993 | 1.7% | 2007 | 3.2% | 2022 | 2% |
| 1994 | 1.2% | 2008 | 4.3% | 2023 | 2.1% |
| 1995 | 0.9% | 2009 | 5.7% | 2024 | 3% |
| 1996 | 1% | 2010 | 4.3% | 2025 | 3.2% |
| 1997 | 0.7% | 2011 | 3.8% | | |