Show data table
| 1990 | 19.8% | 2003 | 19.3% | 2016 | 23.8% |
| 1991 | 21.6% | 2004 | 19.1% | 2017 | 24% |
| 1992 | 21.3% | 2005 | 19.7% | 2018 | 22.8% |
| 1993 | 16.7% | 2006 | 20.4% | 2019 | 23% |
| 1994 | 16.7% | 2007 | 21.1% | 2020 | 23.5% |
| 1995 | 16.6% | 2008 | 25.8% | 2021 | 22.9% |
| 1996 | 17.1% | 2009 | 22.6% | 2022 | 24.2% |
| 1997 | 17.3% | 2010 | 22.7% | 2023 | 24.3% |
| 1998 | 15% | 2011 | 23.4% | 2024 | 25% |
| 1999 | 15.6% | 2012 | 23.4% | 2025 | 25% |
| 2000 | 16.7% | 2013 | 23.1% | 2026 | 25.2% |
| 2001 | 17% | 2014 | 22.6% | | |
| 2002 | 17.6% | 2015 | 22.7% | | |
Show data table
| 1990 | 171B | 2003 | 1.59T | 2016 | 4.95T |
| 1991 | 240B | 2004 | 1.77T | 2017 | 5.41T |
| 1992 | 282B | 2005 | 1.97T | 2018 | 5.52T |
| 1993 | 276B | 2006 | 2.26T | 2019 | 5.78T |
| 1994 | 312B | 2007 | 2.54T | 2020 | 5.66T |
| 1995 | 405B | 2008 | 3.34T | 2021 | 6.12T |
| 1996 | 563B | 2009 | 2.88T | 2022 | 7.14T |
| 1997 | 715B | 2010 | 3.17T | 2023 | 7.74T |
| 1998 | 763B | 2011 | 3.58T | 2024 | 8.37T |
| 1999 | 944B | 2012 | 3.87T | 2025 | 8.81T |
| 2000 | 1.17T | 2013 | 3.92T | 2026 | 9.47T |
| 2001 | 1.26T | 2014 | 4.1T | | |
| 2002 | 1.38T | 2015 | 4.36T | | |
Show data table
| 1990 | 22.9% | 2003 | 21.5% | 2016 | 26.5% |
| 1991 | 20.1% | 2004 | 20.5% | 2017 | 25% |
| 1992 | 19% | 2005 | 21.2% | 2018 | 25% |
| 1993 | 18.2% | 2006 | 21.6% | 2019 | 25.3% |
| 1994 | 18.9% | 2007 | 22.5% | 2020 | 27.8% |
| 1995 | 18.9% | 2008 | 26.5% | 2021 | 26.7% |
| 1996 | 20.8% | 2009 | 26.5% | 2022 | 28.5% |
| 1997 | 20.7% | 2010 | 26.5% | 2023 | 28.6% |
| 1998 | 19.5% | 2011 | 26.6% | 2024 | 30.8% |
| 1999 | 20.1% | 2012 | 27% | 2025 | 29.8% |
| 2000 | 19.4% | 2013 | 26.7% | 2026 | 29.5% |
| 2001 | 19.5% | 2014 | 26.9% | | |
| 2002 | 19.8% | 2015 | 26.6% | | |
Show data table
| 1990 | 198B | 2003 | 1.78T | 2016 | 5.51T |
| 1991 | 224B | 2004 | 1.89T | 2017 | 5.64T |
| 1992 | 252B | 2005 | 2.12T | 2018 | 6.04T |
| 1993 | 301B | 2006 | 2.4T | 2019 | 6.35T |
| 1994 | 354B | 2007 | 2.71T | 2020 | 6.69T |
| 1995 | 460B | 2008 | 3.43T | 2021 | 7.12T |
| 1996 | 683B | 2009 | 3.38T | 2022 | 8.42T |
| 1997 | 860B | 2010 | 3.7T | 2023 | 9.11T |
| 1998 | 992B | 2011 | 4.06T | 2024 | 10.31T |
| 1999 | 1.22T | 2012 | 4.46T | 2025 | 10.52T |
| 2000 | 1.36T | 2013 | 4.52T | 2026 | 11.12T |
| 2001 | 1.45T | 2014 | 4.89T | | |
| 2002 | 1.55T | 2015 | 5.11T | | |