Show data table
| 1984 | 81.6M | 1997 | 43.4M | 2015 | 372M |
| 1985 | 53.2M | 1999 | 56.1M | 2016 | 300M |
| 1986 | 61.6M | 2004 | 98.3M | 2017 | 337M |
| 1987 | 66.9M | 2005 | 140M | 2018 | 378M |
| 1988 | 86.7M | 2006 | 206M | 2019 | 293M |
| 1989 | 168M | 2007 | 232M | 2020 | 211M |
| 1990 | 139M | 2008 | 278M | 2021 | 217M |
| 1991 | 86.2M | 2009 | 221M | 2022 | 326M |
| 1992 | 97.8M | 2010 | 280M | 2023 | 369M |
| 1993 | 51.1M | 2011 | 309M | 2024 | 349M |
| 1994 | 62.9M | 2012 | 346M | 2025 | 406M |
| 1995 | 55.3M | 2013 | 381M | | |
| 1996 | 37.8M | 2014 | 444M | | |
Show data table
| 1984 | 3% | 1997 | 1% | 2015 | 1.8% |
| 1985 | 2.4% | 1999 | 1.6% | 2016 | 1.4% |
| 1986 | 3.7% | 2004 | 1.6% | 2017 | 1.3% |
| 1987 | 3.2% | 2005 | 1.8% | 2018 | 1.4% |
| 1988 | 2.4% | 2006 | 1.7% | 2019 | 1.3% |
| 1989 | 4.2% | 2007 | 2.1% | 2020 | 1.2% |
| 1990 | 3.4% | 2008 | 2.1% | 2021 | 1% |
| 1991 | 2.3% | 2009 | 1.7% | 2022 | 1.1% |
| 1992 | 2.7% | 2010 | 1.4% | 2023 | 1.3% |
| 1993 | 1.4% | 2011 | 1.3% | 2024 | 1.3% |
| 1994 | 1.7% | 2012 | 1.4% | 2025 | 1.3% |
| 1995 | 1.5% | 2013 | 1.4% | | |
| 1996 | 1.1% | 2014 | 1.6% | | |