Show data table
| 1997 | 14.4% | 2007 | 14.5% | 2017 | 14.8% |
| 1998 | 13.9% | 2008 | 14.4% | 2018 | 14.7% |
| 1999 | 12.4% | 2009 | 13.4% | 2019 | 15% |
| 2000 | 12% | 2010 | 13.1% | 2020 | 15% |
| 2001 | 12.1% | 2011 | 10.3% | 2021 | 15.6% |
| 2002 | 12.5% | 2012 | 13.9% | 2022 | 15.1% |
| 2003 | 11.4% | 2013 | 14.2% | 2023 | 15.9% |
| 2004 | 12.5% | 2014 | 13.6% | 2024 | 16.4% |
| 2005 | 12.6% | 2015 | 14.5% | 2025 | 17.2% |
| 2006 | 13.4% | 2016 | 14.6% | 2026 | 17.6% |
Show data table
| 1997 | 1.36T | 2007 | 1.95T | 2017 | 4.52T |
| 1998 | 1.43T | 2008 | 2.16T | 2018 | 4.76T |
| 1999 | 1.31T | 2009 | 2.12T | 2019 | 5.3T |
| 2000 | 1.27T | 2010 | 2.24T | 2020 | 5.42T |
| 2001 | 1.38T | 2011 | 1.73T | 2021 | 6.29T |
| 2002 | 1.48T | 2012 | 2.62T | 2022 | 6.68T |
| 2003 | 1.4T | 2013 | 3.04T | 2023 | 7.77T |
| 2004 | 1.51T | 2014 | 3.29T | 2024 | 8.66T |
| 2005 | 1.57T | 2015 | 3.92T | 2025 | 9.87T |
| 2006 | 1.73T | 2016 | 4.19T | 2026 | 10.96T |
Show data table
| 1997 | 15.2% | 2007 | 14.8% | 2017 | 18.1% |
| 1998 | 14.6% | 2008 | 14.6% | 2018 | 17.6% |
| 1999 | 13.7% | 2009 | 14.4% | 2019 | 17.2% |
| 2000 | 12.9% | 2010 | 14.5% | 2020 | 20.4% |
| 2001 | 11.4% | 2011 | 13.2% | 2021 | 20.5% |
| 2002 | 13.1% | 2012 | 16.1% | 2022 | 21.9% |
| 2003 | 12.7% | 2013 | 15.9% | 2023 | 21% |
| 2004 | 13.5% | 2014 | 15.2% | 2024 | 20.4% |
| 2005 | 13.6% | 2015 | 16.5% | 2025 | 20.2% |
| 2006 | 14.5% | 2016 | 17.6% | 2026 | 20.6% |
Show data table
| 1997 | 1.43T | 2007 | 2T | 2017 | 5.52T |
| 1998 | 1.5T | 2008 | 2.19T | 2018 | 5.71T |
| 1999 | 1.44T | 2009 | 2.28T | 2019 | 6.08T |
| 2000 | 1.36T | 2010 | 2.46T | 2020 | 7.39T |
| 2001 | 1.3T | 2011 | 2.21T | 2021 | 8.26T |
| 2002 | 1.56T | 2012 | 3.05T | 2022 | 9.67T |
| 2003 | 1.56T | 2013 | 3.39T | 2023 | 10.28T |
| 2004 | 1.63T | 2014 | 3.67T | 2024 | 10.76T |
| 2005 | 1.69T | 2015 | 4.47T | 2025 | 11.59T |
| 2006 | 1.86T | 2016 | 5.04T | 2026 | 12.86T |