Show data table
| 1992 | 14.5% | 2004 | 20.4% | 2016 | 23.1% |
| 1993 | 13.9% | 2005 | 21.4% | 2017 | 22.8% |
| 1994 | 3.8% | 2006 | 20.8% | 2018 | 23.8% |
| 1995 | 16.2% | 2007 | 21.1% | 2019 | 22.7% |
| 1996 | 14.7% | 2008 | 23.6% | 2020 | 23.2% |
| 1997 | 15% | 2009 | 22.9% | 2021 | 24.2% |
| 1998 | 14% | 2010 | 23.5% | 2022 | 23.2% |
| 1999 | 18.2% | 2011 | 24.1% | 2023 | 21.3% |
| 2000 | 18.3% | 2012 | 22.5% | 2024 | 20.9% |
| 2001 | 17.5% | 2013 | 25.2% | 2025 | 19.6% |
| 2002 | 18.7% | 2014 | 23.9% | 2026 | 20.3% |
| 2003 | 17.5% | 2015 | 24.2% | | |
Show data table
| 1992 | 44.3B | 2004 | 276B | 2016 | 1.57T |
| 1993 | 44B | 2005 | 345B | 2017 | 1.74T |
| 1994 | 7.55B | 2006 | 376B | 2018 | 1.98T |
| 1995 | 61.5B | 2007 | 464B | 2019 | 2.15T |
| 1996 | 70.8B | 2008 | 660B | 2020 | 2.3T |
| 1997 | 95.8B | 2009 | 728B | 2021 | 2.69T |
| 1998 | 99B | 2010 | 828B | 2022 | 3.28T |
| 1999 | 129B | 2011 | 985B | 2023 | 3.65T |
| 2000 | 145B | 2012 | 1.04T | 2024 | 4.17T |
| 2001 | 150B | 2013 | 1.26T | 2025 | 4.48T |
| 2002 | 172B | 2014 | 1.32T | 2026 | 5.28T |
| 2003 | 199B | 2015 | 1.47T | | |
Show data table
| 1992 | 21.8% | 2004 | 18.1% | 2016 | 25.4% |
| 1993 | 20.6% | 2005 | 20.2% | 2017 | 25.3% |
| 1994 | 13.5% | 2006 | 20.9% | 2018 | 26.3% |
| 1995 | 18.3% | 2007 | 22.7% | 2019 | 27.7% |
| 1996 | 19.8% | 2008 | 22.7% | 2020 | 32.5% |
| 1997 | 17.2% | 2009 | 22.6% | 2021 | 31% |
| 1998 | 16.6% | 2010 | 24.1% | 2022 | 28.7% |
| 1999 | 22.7% | 2011 | 25% | 2023 | 26.2% |
| 2000 | 18.5% | 2012 | 24.9% | 2024 | 27.1% |
| 2001 | 19.3% | 2013 | 26.5% | 2025 | 24.1% |
| 2002 | 20.7% | 2014 | 27.8% | 2026 | 24.6% |
| 2003 | 18.8% | 2015 | 26.9% | | |
Show data table
| 1992 | 66.6B | 2004 | 245B | 2016 | 1.72T |
| 1993 | 65.3B | 2005 | 327B | 2017 | 1.93T |
| 1994 | 26.6B | 2006 | 377B | 2018 | 2.19T |
| 1995 | 69.4B | 2007 | 499B | 2019 | 2.62T |
| 1996 | 95.3B | 2008 | 636B | 2020 | 3.21T |
| 1997 | 110B | 2009 | 720B | 2021 | 3.45T |
| 1998 | 118B | 2010 | 851B | 2022 | 4.07T |
| 1999 | 161B | 2011 | 1.02T | 2023 | 4.49T |
| 2000 | 147B | 2012 | 1.16T | 2024 | 5.41T |
| 2001 | 166B | 2013 | 1.32T | 2025 | 5.51T |
| 2002 | 191B | 2014 | 1.55T | 2026 | 6.41T |
| 2003 | 213B | 2015 | 1.64T | | |