Show data table
| 1990 | 15.3% | 2003 | 18.4% | 2016 | 24.4% |
| 1991 | 16.2% | 2004 | 18.7% | 2017 | 25.6% |
| 1992 | 16.5% | 2005 | 19% | 2018 | 24.9% |
| 1993 | 17.1% | 2006 | 20% | 2019 | 24.7% |
| 1994 | 18% | 2007 | 20.5% | 2020 | 24.6% |
| 1995 | 18.4% | 2008 | 20.7% | 2021 | 25.6% |
| 1996 | 18.3% | 2009 | 19.3% | 2022 | 26% |
| 1997 | 16.7% | 2010 | 20.6% | 2023 | 25.8% |
| 1998 | 16.3% | 2011 | 20.8% | 2024 | 26.8% |
| 1999 | 16.6% | 2012 | 23.6% | 2025 | 27.4% |
| 2000 | 17.5% | 2013 | 24% | 2026 | 27.6% |
| 2001 | 16.7% | 2014 | 23.6% | | |
| 2002 | 17% | 2015 | 23.5% | | |
Show data table
| 1990 | 735M | 2003 | 2.44B | 2016 | 5.89B |
| 1991 | 852M | 2004 | 2.57B | 2017 | 6.39B |
| 1992 | 957M | 2005 | 2.79B | 2018 | 6.48B |
| 1993 | 1.14B | 2006 | 3.2B | 2019 | 6.64B |
| 1994 | 1.38B | 2007 | 3.49B | 2020 | 6.12B |
| 1995 | 1.64B | 2008 | 3.73B | 2021 | 7.42B |
| 1996 | 1.76B | 2009 | 3.4B | 2022 | 8.28B |
| 1997 | 1.7B | 2010 | 3.81B | 2023 | 8.75B |
| 1998 | 1.79B | 2011 | 4.22B | 2024 | 9.48B |
| 1999 | 1.87B | 2012 | 5.04B | 2025 | 10.2B |
| 2000 | 2.06B | 2013 | 5.29B | 2026 | 11B |
| 2001 | 2.06B | 2014 | 5.33B | | |
| 2002 | 2.15B | 2015 | 5.5B | | |
Show data table
| 1990 | 15.9% | 2003 | 22.6% | 2016 | 27.5% |
| 1991 | 18.5% | 2004 | 21.5% | 2017 | 28.1% |
| 1992 | 20.8% | 2005 | 22.4% | 2018 | 27.6% |
| 1993 | 18.5% | 2006 | 23.4% | 2019 | 27.8% |
| 1994 | 18.9% | 2007 | 22.8% | 2020 | 32.7% |
| 1995 | 18.6% | 2008 | 24.5% | 2021 | 31.1% |
| 1996 | 21% | 2009 | 26% | 2022 | 28.7% |
| 1997 | 18.6% | 2010 | 25.6% | 2023 | 30.5% |
| 1998 | 19.3% | 2011 | 25.3% | 2024 | 31.4% |
| 1999 | 19.6% | 2012 | 27.4% | 2025 | 30.2% |
| 2000 | 21% | 2013 | 28.5% | 2026 | 29.6% |
| 2001 | 21.7% | 2014 | 27.6% | | |
| 2002 | 22.5% | 2015 | 27.1% | | |
Show data table
| 1990 | 765M | 2003 | 3B | 2016 | 6.64B |
| 1991 | 974M | 2004 | 2.95B | 2017 | 7.02B |
| 1992 | 1.21B | 2005 | 3.3B | 2018 | 7.18B |
| 1993 | 1.24B | 2006 | 3.75B | 2019 | 7.47B |
| 1994 | 1.45B | 2007 | 3.88B | 2020 | 8.15B |
| 1995 | 1.66B | 2008 | 4.42B | 2021 | 9.03B |
| 1996 | 2.02B | 2009 | 4.57B | 2022 | 9.13B |
| 1997 | 1.9B | 2010 | 4.72B | 2023 | 10.3B |
| 1998 | 2.11B | 2011 | 5.13B | 2024 | 11.1B |
| 1999 | 2.22B | 2012 | 5.86B | 2025 | 11.3B |
| 2000 | 2.47B | 2013 | 6.27B | 2026 | 11.8B |
| 2001 | 2.66B | 2014 | 6.24B | | |
| 2002 | 2.85B | 2015 | 6.35B | | |