Show data table
| 1988 | 37.7% | 2001 | 44% | 2014 | 47.9% |
| 1989 | 38.5% | 2002 | 43.6% | 2015 | 47.8% |
| 1990 | 43% | 2003 | 43.7% | 2016 | 46.6% |
| 1991 | 44.2% | 2004 | 43.2% | 2017 | 46.3% |
| 1992 | 46.7% | 2005 | 43% | 2018 | 46.1% |
| 1993 | 48% | 2006 | 44% | 2019 | 47% |
| 1994 | 46.2% | 2007 | 45.3% | 2020 | 47.4% |
| 1995 | 44.2% | 2008 | 45.2% | 2021 | 47.2% |
| 1996 | 44.7% | 2009 | 46% | 2022 | 46.8% |
| 1997 | 46.3% | 2010 | 45.6% | 2023 | 46.5% |
| 1998 | 45% | 2011 | 45.5% | 2024 | 47% |
| 1999 | 45.3% | 2012 | 47.5% | 2025 | 47.9% |
| 2000 | 43.9% | 2013 | 48% | 2026 | 47.8% |
Show data table
| 1988 | 227B | 2001 | 575B | 2014 | 784B |
| 1989 | 254B | 2002 | 591B | 2015 | 795B |
| 1990 | 309B | 2003 | 612B | 2016 | 794B |
| 1991 | 347B | 2004 | 630B | 2017 | 807B |
| 1992 | 386B | 2005 | 644B | 2018 | 820B |
| 1993 | 409B | 2006 | 686B | 2019 | 847B |
| 1994 | 416B | 2007 | 734B | 2020 | 792B |
| 1995 | 438B | 2008 | 742B | 2021 | 869B |
| 1996 | 469B | 2009 | 729B | 2022 | 936B |
| 1997 | 508B | 2010 | 738B | 2023 | 996B |
| 1998 | 514B | 2011 | 754B | 2024 | 1.04T |
| 1999 | 533B | 2012 | 776B | 2025 | 1.08T |
| 2000 | 547B | 2013 | 779B | 2026 | 1.11T |
Show data table
| 1988 | 48.3% | 2001 | 47.1% | 2014 | 50.7% |
| 1989 | 49.4% | 2002 | 46.5% | 2015 | 50.2% |
| 1990 | 54.2% | 2003 | 47% | 2016 | 49% |
| 1991 | 55.3% | 2004 | 46.7% | 2017 | 48.8% |
| 1992 | 56.8% | 2005 | 47.1% | 2018 | 48.3% |
| 1993 | 57.8% | 2006 | 47.6% | 2019 | 48.4% |
| 1994 | 55.1% | 2007 | 46.6% | 2020 | 56.8% |
| 1995 | 51.4% | 2008 | 47.8% | 2021 | 56% |
| 1996 | 51.3% | 2009 | 51.1% | 2022 | 54.9% |
| 1997 | 49.3% | 2010 | 49.8% | 2023 | 53.6% |
| 1998 | 48% | 2011 | 49% | 2024 | 50.4% |
| 1999 | 47.1% | 2012 | 50.5% | 2025 | 51.1% |
| 2000 | 46.4% | 2013 | 50.9% | 2026 | 50.6% |
Show data table
| 1988 | 291B | 2001 | 617B | 2014 | 830B |
| 1989 | 327B | 2002 | 630B | 2015 | 836B |
| 1990 | 390B | 2003 | 657B | 2016 | 835B |
| 1991 | 435B | 2004 | 680B | 2017 | 851B |
| 1992 | 469B | 2005 | 705B | 2018 | 859B |
| 1993 | 492B | 2006 | 742B | 2019 | 874B |
| 1994 | 496B | 2007 | 756B | 2020 | 948B |
| 1995 | 510B | 2008 | 785B | 2021 | 1.03T |
| 1996 | 538B | 2009 | 809B | 2022 | 1.1T |
| 1997 | 540B | 2010 | 806B | 2023 | 1.15T |
| 1998 | 548B | 2011 | 813B | 2024 | 1.11T |
| 1999 | 554B | 2012 | 824B | 2025 | 1.15T |
| 2000 | 577B | 2013 | 825B | 2026 | 1.18T |