Show data table
| 1980 | 0% | 1996 | 22.6% | 2012 | 29.2% |
| 1981 | 0% | 1997 | 22.9% | 2013 | 29% |
| 1982 | 10.7% | 1998 | 22.5% | 2014 | 29.5% |
| 1983 | 11.3% | 1999 | 22.9% | 2015 | 27.8% |
| 1984 | 11.4% | 2000 | 23.6% | 2016 | 27.7% |
| 1985 | 12.2% | 2001 | 24.8% | 2017 | 26.8% |
| 1986 | 12.2% | 2002 | 24.6% | 2018 | 30% |
| 1987 | 14.1% | 2003 | 25.3% | 2019 | 29.4% |
| 1988 | 13.7% | 2004 | 25.3% | 2020 | 26.6% |
| 1989 | 16.3% | 2005 | 25.9% | 2021 | 27.2% |
| 1990 | 17% | 2006 | 27.4% | 2022 | 27.7% |
| 1991 | 18% | 2007 | 27.3% | 2023 | 32.2% |
| 1992 | 18.3% | 2008 | 28.5% | 2024 | 28.3% |
| 1993 | 19.8% | 2009 | 28.2% | 2025 | 27.4% |
| 1994 | 20.4% | 2010 | 27% | 2026 | 27.9% |
| 1995 | 21.2% | 2011 | 28.2% | | |
Show data table
| 1980 | 1B | 1996 | 27.16T | 2012 | 194.94T |
| 1981 | 1B | 1997 | 33.37T | 2013 | 206.93T |
| 1982 | 374B | 1998 | 37.73T | 2014 | 225.19T |
| 1983 | 479B | 1999 | 41.46T | 2015 | 223.36T |
| 1984 | 614B | 2000 | 48.98T | 2016 | 239.44T |
| 1985 | 844B | 2001 | 55.64T | 2017 | 246.92T |
| 1986 | 1.16T | 2002 | 60.01T | 2018 | 296.24T |
| 1987 | 1.73T | 2003 | 68.49T | 2019 | 311.63T |
| 1988 | 2.23T | 2004 | 77.42T | 2020 | 265.47T |
| 1989 | 3.42T | 2005 | 87.42T | 2021 | 324.37T |
| 1990 | 4.8T | 2006 | 104.74T | 2022 | 407.89T |
| 1991 | 6.55T | 2007 | 117.16T | 2023 | 510.62T |
| 1992 | 8.55T | 2008 | 135.68T | 2024 | 485.33T |
| 1993 | 12.07T | 2009 | 141.65T | 2025 | 508.48T |
| 1994 | 16.49T | 2010 | 147.15T | 2026 | 562.01T |
| 1995 | 21.39T | 2011 | 174.81T | | |
Show data table
| 1982 | 15.1% | 1997 | 26.2% | 2012 | 29.1% |
| 1983 | 15.1% | 1998 | 26.3% | 2013 | 30% |
| 1984 | 15.3% | 1999 | 28.3% | 2014 | 31.3% |
| 1985 | 14.7% | 2000 | 26.6% | 2015 | 31.3% |
| 1986 | 14.2% | 2001 | 27.5% | 2016 | 30% |
| 1987 | 14.7% | 2002 | 28.1% | 2017 | 29.3% |
| 1988 | 14.6% | 2003 | 28% | 2018 | 34.7% |
| 1989 | 17.7% | 2004 | 26.6% | 2019 | 32.9% |
| 1990 | 17.4% | 2005 | 25.9% | 2020 | 33.7% |
| 1991 | 17.7% | 2006 | 28.4% | 2021 | 34.5% |
| 1992 | 18.4% | 2007 | 28.2% | 2022 | 34.1% |
| 1993 | 20% | 2008 | 28.4% | 2023 | 35.1% |
| 1994 | 20.6% | 2009 | 30.9% | 2024 | 34.4% |
| 1995 | 22.2% | 2010 | 30.4% | 2025 | 33.2% |
| 1996 | 25.1% | 2011 | 30.2% | 2026 | 33% |
Show data table
| 1982 | 523B | 1997 | 38.07T | 2012 | 193.9T |
| 1983 | 640B | 1998 | 44.22T | 2013 | 214.22T |
| 1984 | 822B | 1999 | 51.18T | 2014 | 238.49T |
| 1985 | 1.02T | 2000 | 55.07T | 2015 | 251.69T |
| 1986 | 1.34T | 2001 | 61.72T | 2016 | 259.08T |
| 1987 | 1.81T | 2002 | 68.43T | 2017 | 269.89T |
| 1988 | 2.38T | 2003 | 75.8T | 2018 | 342.35T |
| 1989 | 3.73T | 2004 | 81.43T | 2019 | 348.54T |
| 1990 | 4.91T | 2005 | 87.5T | 2020 | 336.62T |
| 1991 | 6.43T | 2006 | 108.53T | 2021 | 411.15T |
| 1992 | 8.59T | 2007 | 120.68T | 2022 | 501.42T |
| 1993 | 12.22T | 2008 | 135.48T | 2023 | 556.97T |
| 1994 | 16.6T | 2009 | 155.06T | 2024 | 588.77T |
| 1995 | 22.39T | 2010 | 165.12T | 2025 | 615.03T |
| 1996 | 30.17T | 2011 | 187.15T | 2026 | 665.95T |