데이터 표
| 1980 | 12.7% | 1996 | 12.8% | 2012 | 24.7% |
| 1981 | 16.4% | 1997 | 14.7% | 2013 | 29.2% |
| 1982 | 23.4% | 1998 | 13.9% | 2014 | 30% |
| 1983 | 19.6% | 1999 | 15.3% | 2015 | 25.6% |
| 1984 | 17.5% | 2000 | 15.9% | 2016 | 23.7% |
| 1985 | 11.4% | 2001 | 16.3% | 2017 | 26.6% |
| 1986 | 12.1% | 2002 | 15.3% | 2018 | 25.5% |
| 1987 | 15.6% | 2003 | 16% | 2019 | 29.7% |
| 1988 | 20.6% | 2004 | 14.6% | 2020 | 27.7% |
| 1989 | 22.8% | 2005 | 14.9% | 2021 | 26.9% |
| 1990 | 16.5% | 2006 | 17.1% | 2022 | 27.7% |
| 1991 | 15.3% | 2007 | 18.7% | 2023 | 29.1% |
| 1992 | 19.2% | 2008 | 19.4% | 2024 | 27.1% |
| 1993 | 18.1% | 2009 | 21.3% | 2025 | 26.3% |
| 1994 | 18.9% | 2010 | 23.2% | 2026 | 26.5% |
| 1995 | 16.3% | 2011 | 24.6% | | |
데이터 표
| 1980 | 2,100만 | 1996 | 58.3억 | 2012 | 1,168억 |
| 1981 | 2,100만 | 1997 | 82.9억 | 2013 | 1,514억 |
| 1982 | 3,200만 | 1998 | 91.4억 | 2014 | 1,690억 |
| 1983 | 2,600만 | 1999 | 123억 | 2015 | 1,660억 |
| 1984 | 2,500만 | 2000 | 144억 | 2016 | 1,802억 |
| 1985 | 2,200만 | 2001 | 191억 | 2017 | 2,244억 |
| 1986 | 2,600만 | 2002 | 215억 | 2018 | 2,307억 |
| 1987 | 1.08억 | 2003 | 250억 | 2019 | 2,883억 |
| 1988 | 2.29억 | 2004 | 262억 | 2020 | 2,736억 |
| 1989 | 3.98억 | 2005 | 305억 | 2021 | 2,846억 |
| 1990 | 5.45억 | 2006 | 413억 | 2022 | 3,337억 |
| 1991 | 8.47억 | 2007 | 523억 | 2023 | 3,886억 |
| 1992 | 13.5억 | 2008 | 609억 | 2024 | 3,935억 |
| 1993 | 20.3억 | 2009 | 720억 | 2025 | 3,765억 |
| 1994 | 33.8억 | 2010 | 900억 | 2026 | 3,998억 |
| 1995 | 45억 | 2011 | 1,044억 | | |
데이터 표
| 1980 | 14.2% | 1996 | 14.9% | 2012 | 28.1% |
| 1981 | 23.8% | 1997 | 16.5% | 2013 | 31.7% |
| 1982 | 27% | 1998 | 14.9% | 2014 | 39.7% |
| 1983 | 35.3% | 1999 | 15.6% | 2015 | 32.2% |
| 1984 | 30.9% | 2000 | 17.2% | 2016 | 28.7% |
| 1985 | 21% | 2001 | 20.8% | 2017 | 28.6% |
| 1986 | 24.2% | 2002 | 18.6% | 2018 | 31.2% |
| 1987 | 22.9% | 2003 | 18.6% | 2019 | 28% |
| 1988 | 27% | 2004 | 17.8% | 2020 | 33.9% |
| 1989 | 27% | 2005 | 17% | 2021 | 32.1% |
| 1990 | 21% | 2006 | 20.1% | 2022 | 32.9% |
| 1991 | 17.3% | 2007 | 20.9% | 2023 | 33.3% |
| 1992 | 21.1% | 2008 | 21.3% | 2024 | 33.3% |
| 1993 | 20.7% | 2009 | 25.7% | 2025 | 30.3% |
| 1994 | 22.9% | 2010 | 26.6% | 2026 | 32.9% |
| 1995 | 18.8% | 2011 | 28.9% | | |
데이터 표
| 1980 | 2,300만 | 1996 | 67.7억 | 2012 | 1,331억 |
| 1981 | 3,000만 | 1997 | 93.1억 | 2013 | 1,642억 |
| 1982 | 3,700만 | 1998 | 98.5억 | 2014 | 2,240억 |
| 1983 | 4,700만 | 1999 | 125억 | 2015 | 2,085억 |
| 1984 | 4,500만 | 2000 | 155억 | 2016 | 2,187억 |
| 1985 | 4,100만 | 2001 | 243억 | 2017 | 2,411억 |
| 1986 | 5,200만 | 2002 | 262억 | 2018 | 2,824억 |
| 1987 | 1.59억 | 2003 | 291억 | 2019 | 2,717억 |
| 1988 | 3.01억 | 2004 | 318억 | 2020 | 3,348억 |
| 1989 | 4.72억 | 2005 | 347억 | 2021 | 3,400억 |
| 1990 | 6.9억 | 2006 | 486억 | 2022 | 3,967억 |
| 1991 | 9.58억 | 2007 | 584억 | 2023 | 4,455억 |
| 1992 | 14.8억 | 2008 | 669억 | 2024 | 4,840억 |
| 1993 | 23.1억 | 2009 | 867억 | 2025 | 4,333억 |
| 1994 | 41억 | 2010 | 1,032억 | 2026 | 4,977억 |
| 1995 | 51.8억 | 2011 | 1,228억 | | |