Show data table
| 1990 | 18.8% | 2003 | 29% | 2016 | 17.1% |
| 1991 | 23.1% | 2004 | 27.9% | 2017 | 16.4% |
| 1992 | 21.6% | 2005 | 28.7% | 2018 | 16.9% |
| 1993 | 21.5% | 2006 | 29.8% | 2019 | 19.5% |
| 1994 | 22.4% | 2007 | 27.5% | 2020 | 17.6% |
| 1995 | 27.7% | 2008 | 29.9% | 2021 | 15.3% |
| 1996 | 24.3% | 2009 | 29.4% | 2022 | 18.8% |
| 1997 | 31.1% | 2010 | 25.8% | 2023 | 23.3% |
| 1998 | 32.4% | 2011 | 23.5% | 2024 | 21.5% |
| 1999 | 26.6% | 2012 | 30.2% | 2025 | 20.2% |
| 2000 | 31.4% | 2013 | 31.6% | 2026 | 19.6% |
| 2001 | 31.9% | 2014 | 29.7% | | |
| 2002 | 29.4% | 2015 | 21.1% | | |
Show data table
| 1990 | 324B | 2003 | 1.1T | 2016 | 1.42T |
| 1991 | 374B | 2004 | 1.14T | 2017 | 1.42T |
| 1992 | 341B | 2005 | 1.43T | 2018 | 1.58T |
| 1993 | 351B | 2006 | 1.58T | 2019 | 1.93T |
| 1994 | 555B | 2007 | 1.64T | 2020 | 1.55T |
| 1995 | 731B | 2008 | 2.08T | 2021 | 1.65T |
| 1996 | 755B | 2009 | 1.69T | 2022 | 2.39T |
| 1997 | 1.03T | 2010 | 1.83T | 2023 | 2.83T |
| 1998 | 912B | 2011 | 2.02T | 2024 | 2.72T |
| 1999 | 814B | 2012 | 2.64T | 2025 | 2.53T |
| 2000 | 1.21T | 2013 | 2.75T | 2026 | 2.55T |
| 2001 | 1.17T | 2014 | 2.67T | | |
| 2002 | 1.09T | 2015 | 1.8T | | |
Show data table
| 1990 | 22.6% | 2003 | 21.2% | 2016 | 21.8% |
| 1991 | 25.1% | 2004 | 20.9% | 2017 | 18.1% |
| 1992 | 26.5% | 2005 | 20.8% | 2018 | 17.1% |
| 1993 | 26.9% | 2006 | 21.1% | 2019 | 17.4% |
| 1994 | 23.9% | 2007 | 19.4% | 2020 | 19.8% |
| 1995 | 25.1% | 2008 | 18.9% | 2021 | 17.3% |
| 1996 | 22.2% | 2009 | 22.6% | 2022 | 19.7% |
| 1997 | 29.7% | 2010 | 23.1% | 2023 | 21.5% |
| 1998 | 45.5% | 2011 | 22.1% | 2024 | 24.8% |
| 1999 | 25.5% | 2012 | 23.9% | 2025 | 28.6% |
| 2000 | 20.3% | 2013 | 34.7% | 2026 | 29.6% |
| 2001 | 27.8% | 2014 | 23.8% | | |
| 2002 | 25.7% | 2015 | 22.3% | | |
Show data table
| 1990 | 390B | 2003 | 802B | 2016 | 1.82T |
| 1991 | 407B | 2004 | 855B | 2017 | 1.57T |
| 1992 | 418B | 2005 | 1.04T | 2018 | 1.6T |
| 1993 | 438B | 2006 | 1.12T | 2019 | 1.72T |
| 1994 | 592B | 2007 | 1.16T | 2020 | 1.75T |
| 1995 | 661B | 2008 | 1.31T | 2021 | 1.86T |
| 1996 | 689B | 2009 | 1.3T | 2022 | 2.51T |
| 1997 | 983B | 2010 | 1.64T | 2023 | 2.61T |
| 1998 | 1.28T | 2011 | 1.89T | 2024 | 3.14T |
| 1999 | 780B | 2012 | 2.1T | 2025 | 3.6T |
| 2000 | 780B | 2013 | 3.01T | 2026 | 3.84T |
| 2001 | 1.02T | 2014 | 2.14T | | |
| 2002 | 952B | 2015 | 1.89T | | |