Show data table
| 1980 | 42.5% | 1996 | 43.5% | 2012 | 84.1% |
| 1981 | 44.7% | 1997 | 43.9% | 2013 | 84.9% |
| 1982 | 42.9% | 1998 | 41.8% | 2014 | 86.5% |
| 1983 | 41.8% | 1999 | 40.3% | 2015 | 87.3% |
| 1984 | 42.1% | 2000 | 37.5% | 2016 | 87.3% |
| 1985 | 41.2% | 2001 | 34.8% | 2017 | 86.1% |
| 1986 | 41.2% | 2002 | 35.3% | 2018 | 85.6% |
| 1987 | 39.2% | 2003 | 36.6% | 2019 | 84.9% |
| 1988 | 37% | 2004 | 39.7% | 2020 | 104.8% |
| 1989 | 32.4% | 2005 | 40.9% | 2021 | 103.4% |
| 1990 | 28.4% | 2006 | 41.9% | 2022 | 97.5% |
| 1991 | 28.4% | 2007 | 43% | 2023 | 98.9% |
| 1992 | 33.1% | 2008 | 50.6% | 2024 | 99.9% |
| 1993 | 37.8% | 2009 | 64.5% | 2025 | 102.3% |
| 1994 | 40.6% | 2010 | 75.5% | 2026 | 103.6% |
| 1995 | 43.5% | 2011 | 81.1% | | |
Show data table
| 1980 | 111B | 1996 | 398B | 2012 | 1.45T |
| 1981 | 130B | 1997 | 421B | 2013 | 1.52T |
| 1982 | 137B | 1998 | 419B | 2014 | 1.62T |
| 1983 | 147B | 1999 | 422B | 2015 | 1.68T |
| 1984 | 160B | 2000 | 415B | 2016 | 1.75T |
| 1985 | 171B | 2001 | 401B | 2017 | 1.81T |
| 1986 | 184B | 2002 | 422B | 2018 | 1.86T |
| 1987 | 195B | 2003 | 463B | 2019 | 1.91T |
| 1988 | 206B | 2004 | 526B | 2020 | 2.23T |
| 1989 | 200B | 2005 | 573B | 2021 | 2.4T |
| 1990 | 191B | 2006 | 619B | 2022 | 2.52T |
| 1991 | 201B | 2007 | 667B | 2023 | 2.72T |
| 1992 | 243B | 2008 | 810B | 2024 | 2.89T |
| 1993 | 292B | 2009 | 1.01T | 2025 | 3.11T |
| 1994 | 330B | 2010 | 1.22T | 2026 | 3.25T |
| 1995 | 372B | 2011 | 1.35T | | |
Show data table
| 1980 | 41.8% | 1996 | 43.1% | 2012 | 75.7% |
| 1981 | 44% | 1997 | 40.1% | 2013 | 76.7% |
| 1982 | 43.8% | 1998 | 38.1% | 2014 | 78.4% |
| 1983 | 42.3% | 1999 | 36.9% | 2015 | 78.9% |
| 1984 | 42.8% | 2000 | 31.6% | 2016 | 78.3% |
| 1985 | 42.5% | 2001 | 30.4% | 2017 | 76.7% |
| 1986 | 41.4% | 2002 | 31.2% | 2018 | 75.9% |
| 1987 | 38.5% | 2003 | 32.9% | 2019 | 75.1% |
| 1988 | 34.7% | 2004 | 35.8% | 2020 | 92.2% |
| 1989 | 29.3% | 2005 | 37% | 2021 | 90.2% |
| 1990 | 26.1% | 2006 | 37.5% | 2022 | 87.9% |
| 1991 | 25.1% | 2007 | 37.9% | 2023 | 90.4% |
| 1992 | 26.6% | 2008 | 44.8% | 2024 | 92.4% |
| 1993 | 31% | 2009 | 57.8% | 2025 | 93.8% |
| 1994 | 36.1% | 2010 | 68.5% | 2026 | 95.5% |
| 1995 | 40.1% | 2011 | 72.9% | | |
Show data table
| 1980 | 109B | 1996 | 393B | 2012 | 1.3T |
| 1981 | 128B | 1997 | 384B | 2013 | 1.37T |
| 1982 | 140B | 1998 | 383B | 2014 | 1.47T |
| 1983 | 149B | 1999 | 387B | 2015 | 1.52T |
| 1984 | 162B | 2000 | 350B | 2016 | 1.57T |
| 1985 | 177B | 2001 | 350B | 2017 | 1.61T |
| 1986 | 185B | 2002 | 373B | 2018 | 1.65T |
| 1987 | 192B | 2003 | 415B | 2019 | 1.69T |
| 1988 | 194B | 2004 | 475B | 2020 | 1.96T |
| 1989 | 180B | 2005 | 519B | 2021 | 2.09T |
| 1990 | 175B | 2006 | 555B | 2022 | 2.27T |
| 1991 | 178B | 2007 | 588B | 2023 | 2.49T |
| 1992 | 195B | 2008 | 717B | 2024 | 2.67T |
| 1993 | 239B | 2009 | 902B | 2025 | 2.85T |
| 1994 | 294B | 2010 | 1.11T | 2026 | 3T |
| 1995 | 343B | 2011 | 1.22T | | |