Show data table
| 1983 | 44.8% | 1998 | 44% | 2013 | 38.2% |
| 1984 | 44.4% | 1999 | 45.9% | 2014 | 36.3% |
| 1985 | 48.2% | 2000 | 40.7% | 2015 | 32.9% |
| 1986 | 48% | 2001 | 37.9% | 2016 | 34.5% |
| 1987 | 52.5% | 2002 | 40.1% | 2017 | 32.6% |
| 1988 | 58.6% | 2003 | 48% | 2018 | 32.2% |
| 1989 | 59.9% | 2004 | 40.3% | 2019 | 32.2% |
| 1990 | 58% | 2005 | 39.4% | 2020 | 31% |
| 1991 | 55.3% | 2006 | 41% | 2021 | 33.1% |
| 1992 | 57.2% | 2007 | 32% | 2022 | 30.8% |
| 1993 | 56.7% | 2008 | 34.9% | 2023 | 32% |
| 1994 | 56.7% | 2009 | 37% | 2024 | 32.3% |
| 1995 | 50.5% | 2010 | 35.1% | 2025 | 31.7% |
| 1996 | 49.4% | 2011 | 39.8% | 2026 | 33.3% |
| 1997 | 48.8% | 2012 | 41.5% | | |
Show data table
| 1983 | 445M | 1998 | 1.41B | 2013 | 6.11B |
| 1984 | 475M | 1999 | 1.53B | 2014 | 6.41B |
| 1985 | 581M | 2000 | 1.43B | 2015 | 6.28B |
| 1986 | 616M | 2001 | 1.38B | 2016 | 7.21B |
| 1987 | 733M | 2002 | 1.53B | 2017 | 7.45B |
| 1988 | 895M | 2003 | 1.83B | 2018 | 8B |
| 1989 | 1.03B | 2004 | 1.86B | 2019 | 8.44B |
| 1990 | 1.14B | 2005 | 1.99B | 2020 | 7.54B |
| 1991 | 1.09B | 2006 | 2.3B | 2021 | 8.32B |
| 1992 | 1.27B | 2007 | 2.21B | 2022 | 8.8B |
| 1993 | 1.39B | 2008 | 3.19B | 2023 | 9.73B |
| 1994 | 1.4B | 2009 | 4.26B | 2024 | 10.5B |
| 1995 | 1.22B | 2010 | 4.11B | 2025 | 10.8B |
| 1996 | 1.24B | 2011 | 5.01B | 2026 | 11.8B |
| 1997 | 1.38B | 2012 | 6.02B | | |
Show data table
| 1983 | 47.9% | 1998 | 60.7% | 2013 | 37.8% |
| 1984 | 50.5% | 1999 | 56.1% | 2014 | 33.4% |
| 1985 | 53% | 2000 | 55.4% | 2015 | 31.5% |
| 1986 | 58% | 2001 | 46.8% | 2016 | 34.5% |
| 1987 | 49.7% | 2002 | 56.3% | 2017 | 34.3% |
| 1988 | 46.7% | 2003 | 44.6% | 2018 | 33% |
| 1989 | 51.7% | 2004 | 39.9% | 2019 | 31.7% |
| 1990 | 46.1% | 2005 | 39% | 2020 | 46.7% |
| 1991 | 52.1% | 2006 | 43.6% | 2021 | 38.8% |
| 1992 | 50.7% | 2007 | 41.9% | 2022 | 31.6% |
| 1993 | 60.4% | 2008 | 27% | 2023 | 33.1% |
| 1994 | 63.6% | 2009 | 32.1% | 2024 | 33% |
| 1995 | 53.1% | 2010 | 34.6% | 2025 | 32.7% |
| 1996 | 59.1% | 2011 | 36.4% | 2026 | 35.3% |
| 1997 | 54.7% | 2012 | 38.6% | | |
Show data table
| 1983 | 476M | 1998 | 1.94B | 2013 | 6.06B |
| 1984 | 540M | 1999 | 1.87B | 2014 | 5.9B |
| 1985 | 639M | 2000 | 1.95B | 2015 | 6.01B |
| 1986 | 745M | 2001 | 1.71B | 2016 | 7.2B |
| 1987 | 694M | 2002 | 2.15B | 2017 | 7.83B |
| 1988 | 714M | 2003 | 1.7B | 2018 | 8.2B |
| 1989 | 889M | 2004 | 1.84B | 2019 | 8.32B |
| 1990 | 906M | 2005 | 1.97B | 2020 | 11.4B |
| 1991 | 1.03B | 2006 | 2.44B | 2021 | 9.77B |
| 1992 | 1.13B | 2007 | 2.9B | 2022 | 9.02B |
| 1993 | 1.48B | 2008 | 2.47B | 2023 | 10.1B |
| 1994 | 1.57B | 2009 | 3.7B | 2024 | 10.7B |
| 1995 | 1.29B | 2010 | 4.05B | 2025 | 11.2B |
| 1996 | 1.48B | 2011 | 4.59B | 2026 | 12.5B |
| 1997 | 1.55B | 2012 | 5.6B | | |