Show data table
| 1996 | 8.1% | 2007 | 13% | 2018 | 16.5% |
| 1997 | 8.7% | 2008 | 13.4% | 2019 | 20.2% |
| 1998 | 8% | 2009 | 12.7% | 2020 | 18% |
| 1999 | 10% | 2010 | 14% | 2021 | 16.1% |
| 2000 | 9.9% | 2011 | 12.7% | 2022 | 18.3% |
| 2001 | 9.6% | 2012 | 13.6% | 2023 | 16.2% |
| 2002 | 10% | 2013 | 14.5% | 2024 | 15.1% |
| 2003 | 8.8% | 2014 | 15.1% | 2025 | 15.3% |
| 2004 | 9.2% | 2015 | 13.9% | 2026 | 15.1% |
| 2005 | 10.5% | 2016 | 15% | | |
| 2006 | 11.1% | 2017 | 15.6% | | |
Show data table
| 1996 | 748B | 2007 | 5.3T | 2018 | 21.96T |
| 1997 | 882B | 2008 | 6.67T | 2019 | 29.46T |
| 1998 | 943B | 2009 | 6.72T | 2020 | 25.33T |
| 1999 | 1.34T | 2010 | 8.05T | 2021 | 23.84T |
| 2000 | 1.44T | 2011 | 8.28T | 2022 | 29.66T |
| 2001 | 1.56T | 2012 | 9.72T | 2023 | 28.26T |
| 2002 | 1.76T | 2013 | 11.5T | 2024 | 28.53T |
| 2003 | 1.78T | 2014 | 13.54T | 2025 | 30.95T |
| 2004 | 2.21T | 2015 | 13.59T | 2026 | 32.55T |
| 2005 | 3.08T | 2016 | 16.1T | | |
| 2006 | 3.81T | 2017 | 18.33T | | |
Show data table
| 1996 | 15.7% | 2007 | 12.4% | 2018 | 16.2% |
| 1997 | 12.4% | 2008 | 12.9% | 2019 | 17.9% |
| 1998 | 13.4% | 2009 | 16.6% | 2020 | 20.5% |
| 1999 | 13.8% | 2010 | 17.1% | 2021 | 21.4% |
| 2000 | 14.6% | 2011 | 16.4% | 2022 | 18.5% |
| 2001 | 14.6% | 2012 | 17.2% | 2023 | 19.1% |
| 2002 | 16% | 2013 | 16.5% | 2024 | 16.6% |
| 2003 | 14.5% | 2014 | 16.4% | 2025 | 16.3% |
| 2004 | 12.4% | 2015 | 14.5% | 2026 | 18.8% |
| 2005 | 10.8% | 2016 | 15.3% | | |
| 2006 | 11.2% | 2017 | 16.3% | | |
Show data table
| 1996 | 1.44T | 2007 | 5.05T | 2018 | 21.58T |
| 1997 | 1.26T | 2008 | 6.46T | 2019 | 26.2T |
| 1998 | 1.57T | 2009 | 8.78T | 2020 | 28.94T |
| 1999 | 1.85T | 2010 | 9.83T | 2021 | 31.65T |
| 2000 | 2.12T | 2011 | 10.72T | 2022 | 30.14T |
| 2001 | 2.37T | 2012 | 12.29T | 2023 | 33.19T |
| 2002 | 2.83T | 2013 | 13.1T | 2024 | 31.26T |
| 2003 | 2.92T | 2014 | 14.65T | 2025 | 32.97T |
| 2004 | 2.97T | 2015 | 14.23T | 2026 | 40.45T |
| 2005 | 3.18T | 2016 | 16.42T | | |
| 2006 | 3.87T | 2017 | 19.24T | | |