Show data table
| 1985 | 41.1M | 1998 | 25.6M | 2015 | 133M |
| 1986 | 42.5M | 1999 | 32M | 2016 | 137M |
| 1987 | 43.7M | 2000 | 37.9M | 2017 | 144M |
| 1988 | 43M | 2001 | 51.9M | 2018 | 159M |
| 1989 | 38.9M | 2002 | 36.3M | 2019 | 161M |
| 1990 | 40.2M | 2003 | 62.4M | 2020 | 201M |
| 1991 | 39.4M | 2005 | 66.7M | 2021 | 229M |
| 1992 | 39.4M | 2006 | 81.9M | 2022 | 226M |
| 1993 | 30.2M | 2008 | 123M | 2023 | 276M |
| 1994 | 29.5M | 2009 | 115M | 2024 | 275M |
| 1995 | 32M | 2012 | 142M | 2025 | 322M |
| 1996 | 37.9M | 2013 | 144M | | |
| 1997 | 41.6M | 2014 | 145M | | |
Show data table
| 1985 | 5.9% | 1998 | 1.9% | 2014 | 2.2% |
| 1986 | 5% | 1999 | 2.3% | 2015 | 2.2% |
| 1987 | 4.7% | 2000 | 2.9% | 2016 | 2.1% |
| 1988 | 4.5% | 2001 | 4% | 2017 | 2.1% |
| 1989 | 4% | 2002 | 2.7% | 2018 | 2.1% |
| 1990 | 3.8% | 2003 | 4% | 2019 | 2% |
| 1991 | 3.6% | 2004 | 3.8% | 2020 | 2.4% |
| 1992 | 2.7% | 2005 | 3.1% | 2021 | 2.5% |
| 1993 | 2.4% | 2006 | 2.7% | 2022 | 2.4% |
| 1994 | 2.2% | 2008 | 3.1% | 2023 | 2.6% |
| 1995 | 2.3% | 2009 | 3.1% | 2024 | 2.5% |
| 1996 | 2.6% | 2012 | 2.1% | 2025 | 2.7% |
| 1997 | 3% | 2013 | 2% | | |