Show data table
| 1990 | 24.7% | 2003 | 25.7% | 2016 | 26.3% |
| 1991 | 23% | 2004 | 26.1% | 2017 | 27.3% |
| 1992 | 21.1% | 2005 | 25.4% | 2018 | 28.6% |
| 1993 | 22% | 2006 | 25.4% | 2019 | 28.3% |
| 1994 | 22.3% | 2007 | 26.9% | 2020 | 27.3% |
| 1995 | 23.6% | 2008 | 26.6% | 2021 | 28.4% |
| 1996 | 22.1% | 2009 | 26.8% | 2022 | 27.4% |
| 1997 | 21.3% | 2010 | 26.2% | 2023 | 27.7% |
| 1998 | 22.2% | 2011 | 24.9% | 2024 | 30.3% |
| 1999 | 24.5% | 2012 | 25.1% | 2025 | 30.1% |
| 2000 | 24.9% | 2013 | 26.5% | 2026 | 28.3% |
| 2001 | 23.1% | 2014 | 25.6% | | |
| 2002 | 23.5% | 2015 | 25.7% | | |
Show data table
| 1990 | 9.65B | 2003 | 150B | 2016 | 500B |
| 1991 | 15.1B | 2004 | 172B | 2017 | 561B |
| 1992 | 23.6B | 2005 | 187B | 2018 | 629B |
| 1993 | 33.6B | 2006 | 211B | 2019 | 650B |
| 1994 | 44.6B | 2007 | 252B | 2020 | 575B |
| 1995 | 58.5B | 2008 | 276B | 2021 | 720B |
| 1996 | 63.1B | 2009 | 300B | 2022 | 828B |
| 1997 | 66.4B | 2010 | 315B | 2023 | 925B |
| 1998 | 74.1B | 2011 | 322B | 2024 | 1.06T |
| 1999 | 90.4B | 2012 | 345B | 2025 | 1.07T |
| 2000 | 101B | 2013 | 397B | 2026 | 1.09T |
| 2001 | 103B | 2014 | 412B | | |
| 2002 | 117B | 2015 | 456B | | |
Show data table
| 1990 | 22.6% | 2003 | 31.1% | 2016 | 26.5% |
| 1991 | 19.9% | 2004 | 30.7% | 2017 | 26.9% |
| 1992 | 18.2% | 2005 | 28.6% | 2018 | 27.5% |
| 1993 | 19.6% | 2006 | 30.1% | 2019 | 27.5% |
| 1994 | 19.9% | 2007 | 30.6% | 2020 | 30.1% |
| 1995 | 22.1% | 2008 | 33.9% | 2021 | 27.6% |
| 1996 | 27.4% | 2009 | 37.7% | 2022 | 27.1% |
| 1997 | 27.6% | 2010 | 32.3% | 2023 | 27.7% |
| 1998 | 27.9% | 2011 | 31.2% | 2024 | 30.1% |
| 1999 | 27.9% | 2012 | 29.1% | 2025 | 33.8% |
| 2000 | 25.7% | 2013 | 26.3% | 2026 | 33.1% |
| 2001 | 27.8% | 2014 | 26.1% | | |
| 2002 | 30.1% | 2015 | 25.9% | | |
Show data table
| 1990 | 8.84B | 2003 | 182B | 2016 | 503B |
| 1991 | 13B | 2004 | 201B | 2017 | 552B |
| 1992 | 20.4B | 2005 | 210B | 2018 | 605B |
| 1993 | 30B | 2006 | 251B | 2019 | 630B |
| 1994 | 39.8B | 2007 | 287B | 2020 | 636B |
| 1995 | 54.7B | 2008 | 352B | 2021 | 699B |
| 1996 | 78.1B | 2009 | 421B | 2022 | 820B |
| 1997 | 86.4B | 2010 | 389B | 2023 | 924B |
| 1998 | 93.3B | 2011 | 403B | 2024 | 1.05T |
| 1999 | 103B | 2012 | 399B | 2025 | 1.2T |
| 2000 | 104B | 2013 | 395B | 2026 | 1.27T |
| 2001 | 124B | 2014 | 419B | | |
| 2002 | 150B | 2015 | 461B | | |