Show data table
| 1993 | 22% | 2005 | 27.8% | 2017 | 34.4% |
| 1994 | 21.7% | 2006 | 28.3% | 2018 | 33.5% |
| 1995 | 20.8% | 2007 | 30.3% | 2019 | 33.7% |
| 1996 | 19.9% | 2008 | 31.1% | 2020 | 33.8% |
| 1997 | 20.7% | 2009 | 32.7% | 2021 | 33.5% |
| 1998 | 21.3% | 2010 | 32% | 2022 | 33.8% |
| 1999 | 21.8% | 2011 | 32.2% | 2023 | 32.3% |
| 2000 | 21.8% | 2012 | 33.8% | 2024 | 31.5% |
| 2001 | 21.1% | 2013 | 34.3% | 2025 | 31.3% |
| 2002 | 19.9% | 2014 | 34.6% | 2026 | 31.8% |
| 2003 | 23.5% | 2015 | 35.4% | | |
| 2004 | 27% | 2016 | 34.9% | | |
Show data table
| 1993 | 58.2B | 2005 | 162B | 2017 | 3.67T |
| 1994 | 62.4B | 2006 | 202B | 2018 | 4.94T |
| 1995 | 60B | 2007 | 272B | 2019 | 7.26T |
| 1996 | 60.5B | 2008 | 358B | 2020 | 9.2T |
| 1997 | 67.9B | 2009 | 408B | 2021 | 15.51T |
| 1998 | 71.2B | 2010 | 531B | 2022 | 28T |
| 1999 | 69B | 2011 | 701B | 2023 | 62.16T |
| 2000 | 69.4B | 2012 | 892B | 2024 | 183.8T |
| 2001 | 63.3B | 2013 | 1.15T | 2025 | 264.91T |
| 2002 | 69.7B | 2014 | 1.58T | 2026 | 368.74T |
| 2003 | 98.9B | 2015 | 2.11T | | |
| 2004 | 131B | 2016 | 2.87T | | |
Show data table
| 1993 | 22% | 2005 | 24.4% | 2017 | 41.1% |
| 1994 | 22.9% | 2006 | 26.6% | 2018 | 38.9% |
| 1995 | 22.9% | 2007 | 29.6% | 2019 | 38.1% |
| 1996 | 22.7% | 2008 | 30.8% | 2020 | 42.5% |
| 1997 | 22.6% | 2009 | 34.5% | 2021 | 37.9% |
| 1998 | 23.1% | 2010 | 33.4% | 2022 | 37.6% |
| 1999 | 25.5% | 2011 | 34.9% | 2023 | 37.6% |
| 2000 | 25.2% | 2012 | 36.8% | 2024 | 31% |
| 2001 | 26.4% | 2013 | 37.6% | 2025 | 31.6% |
| 2002 | 21.9% | 2014 | 38.9% | 2026 | 31.3% |
| 2003 | 22% | 2015 | 41.4% | | |
| 2004 | 23% | 2016 | 41.5% | | |
Show data table
| 1993 | 58.2B | 2005 | 142B | 2017 | 4.38T |
| 1994 | 66B | 2006 | 191B | 2018 | 5.74T |
| 1995 | 66B | 2007 | 265B | 2019 | 8.22T |
| 1996 | 69B | 2008 | 354B | 2020 | 11.56T |
| 1997 | 74B | 2009 | 431B | 2021 | 17.51T |
| 1998 | 77.3B | 2010 | 554B | 2022 | 31.17T |
| 1999 | 80.7B | 2011 | 761B | 2023 | 72.42T |
| 2000 | 80.2B | 2012 | 971B | 2024 | 181.12T |
| 2001 | 79.4B | 2013 | 1.26T | 2025 | 268.14T |
| 2002 | 76.4B | 2014 | 1.78T | 2026 | 363.51T |
| 2003 | 92.6B | 2015 | 2.46T | | |
| 2004 | 112B | 2016 | 3.42T | | |