Show data table
| 1991 | 111M | 2003 | 24.3M | 2015 | 102M |
| 1992 | 33M | 2004 | 27.7M | 2016 | 96.4M |
| 1993 | 14.1M | 2005 | 29.8M | 2017 | 87.5M |
| 1994 | 16.4M | 2006 | 39.2M | 2018 | 88.2M |
| 1995 | 21.3M | 2007 | 56.6M | 2019 | 94M |
| 1996 | 21.6M | 2008 | 66.7M | 2020 | 95.6M |
| 1997 | 18.7M | 2009 | 37.6M | 2021 | 97.2M |
| 1998 | 19.9M | 2010 | 54.9M | 2022 | 89.8M |
| 1999 | 18M | 2011 | 87.2M | 2023 | 111M |
| 2000 | 24.3M | 2012 | 114M | 2024 | 179M |
| 2001 | 23.1M | 2013 | 103M | 2025 | 221M |
| 2002 | 25.3M | 2014 | 105M | | |
Show data table
| 1987 | 5.8% | 2000 | 2% | 2013 | 0.8% |
| 1988 | 6.3% | 2001 | 1.8% | 2014 | 0.9% |
| 1989 | 6.3% | 2002 | 1.8% | 2015 | 0.9% |
| 1990 | 4.3% | 2003 | 1.5% | 2016 | 0.9% |
| 1991 | 3.2% | 2004 | 1.4% | 2017 | 0.8% |
| 1992 | 1.9% | 2005 | 1% | 2018 | 0.7% |
| 1993 | 1.7% | 2006 | 1% | 2019 | 0.7% |
| 1994 | 1.7% | 2007 | 1.1% | 2020 | 0.7% |
| 1995 | 1.6% | 2008 | 0.8% | 2021 | 0.6% |
| 1996 | 1.8% | 2009 | 0.6% | 2022 | 0.5% |
| 1997 | 1.6% | 2010 | 0.8% | 2023 | 0.5% |
| 1998 | 1.9% | 2011 | 0.8% | 2024 | 0.8% |
| 1999 | 1.8% | 2012 | 0.9% | 2025 | 0.9% |