Show data table
| 1991 | 39% | 2003 | 63.3% | 2015 | 71.2% |
| 1992 | 41.4% | 2004 | 65% | 2016 | 68.3% |
| 1993 | 45.1% | 2005 | 67.1% | 2017 | 64% |
| 1994 | 47.5% | 2006 | 66.4% | 2018 | 60.8% |
| 1995 | 54.9% | 2007 | 63.7% | 2019 | 58.7% |
| 1996 | 57.7% | 2008 | 65.2% | 2020 | 68% |
| 1997 | 58.8% | 2009 | 72.4% | 2021 | 67.9% |
| 1998 | 59.4% | 2010 | 81% | 2022 | 64.4% |
| 1999 | 60.3% | 2011 | 78.5% | 2023 | 62.3% |
| 2000 | 59.2% | 2012 | 79.8% | 2024 | 62.2% |
| 2001 | 58.1% | 2013 | 77.5% | 2025 | 62.9% |
| 2002 | 59.8% | 2014 | 74.5% | 2026 | 64.6% |
Show data table
| 1991 | 621B | 2003 | 1.42T | 2015 | 2.2T |
| 1992 | 708B | 2004 | 1.49T | 2016 | 2.18T |
| 1993 | 792B | 2005 | 1.56T | 2017 | 2.13T |
| 1994 | 872B | 2006 | 1.61T | 2018 | 2.09T |
| 1995 | 1.04T | 2007 | 1.62T | 2019 | 2.08T |
| 1996 | 1.11T | 2008 | 1.69T | 2020 | 2.35T |
| 1997 | 1.16T | 2009 | 1.8T | 2021 | 2.5T |
| 1998 | 1.2T | 2010 | 2.12T | 2022 | 2.57T |
| 1999 | 1.25T | 2011 | 2.16T | 2023 | 2.63T |
| 2000 | 1.26T | 2012 | 2.23T | 2024 | 2.69T |
| 2001 | 1.27T | 2013 | 2.22T | 2025 | 2.81T |
| 2002 | 1.33T | 2014 | 2.22T | 2026 | 2.99T |
Show data table
| 1995 | 41.4% | 2006 | 56% | 2017 | 44.7% |
| 1996 | 44.3% | 2007 | 53.1% | 2018 | 42.1% |
| 1997 | 45.5% | 2008 | 52.8% | 2019 | 39.8% |
| 1998 | 46.9% | 2009 | 59.5% | 2020 | 45.3% |
| 1999 | 48.2% | 2010 | 61.3% | 2021 | 46.2% |
| 2000 | 45% | 2011 | 59.5% | 2022 | 45.8% |
| 2001 | 46.2% | 2012 | 58.8% | 2023 | 45.7% |
| 2002 | 48.7% | 2013 | 57.9% | 2024 | 46% |
| 2003 | 52.4% | 2014 | 54.5% | 2025 | 47.2% |
| 2004 | 54.8% | 2015 | 51.7% | 2026 | 49.4% |
| 2005 | 57.2% | 2016 | 48.9% | | |
Show data table
| 1995 | 787B | 2006 | 1.36T | 2017 | 1.49T |
| 1996 | 854B | 2007 | 1.35T | 2018 | 1.45T |
| 1997 | 896B | 2008 | 1.37T | 2019 | 1.41T |
| 1998 | 949B | 2009 | 1.48T | 2020 | 1.56T |
| 1999 | 1T | 2010 | 1.6T | 2021 | 1.7T |
| 2000 | 958B | 2011 | 1.63T | 2022 | 1.83T |
| 2001 | 1.01T | 2012 | 1.65T | 2023 | 1.93T |
| 2002 | 1.08T | 2013 | 1.66T | 2024 | 1.99T |
| 2003 | 1.17T | 2014 | 1.63T | 2025 | 2.11T |
| 2004 | 1.26T | 2015 | 1.6T | 2026 | 2.28T |
| 2005 | 1.33T | 2016 | 1.56T | | |