데이터 표
| 1980 | 34.4% | 1996 | 41.1% | 2012 | 44.6% |
| 1981 | 35.7% | 1997 | 41.4% | 2013 | 44.7% |
| 1982 | 36.7% | 1998 | 39.8% | 2014 | 45.9% |
| 1983 | 34.9% | 1999 | 46.1% | 2015 | 42.9% |
| 1984 | 36% | 2000 | 45.7% | 2016 | 58.5% |
| 1985 | 34.5% | 2001 | 46.7% | 2017 | 45.1% |
| 1986 | 34.6% | 2002 | 42.8% | 2018 | 44.4% |
| 1987 | 34.7% | 2003 | 45.1% | 2019 | 41.6% |
| 1988 | 38.3% | 2004 | 46.6% | 2020 | 41.6% |
| 1989 | 37.5% | 2005 | 49.2% | 2021 | 40.7% |
| 1990 | 38.3% | 2006 | 50.8% | 2022 | 42.3% |
| 1991 | 41% | 2007 | 49.8% | 2023 | 42.9% |
| 1992 | 41.5% | 2008 | 50.8% | 2024 | 43.4% |
| 1993 | 39.5% | 2009 | 44.8% | 2025 | 42.2% |
| 1994 | 39.1% | 2010 | 41.7% | 2026 | 43.1% |
| 1995 | 40.2% | 2011 | 43.6% | | |
데이터 표
| 1980 | 58.2억 | 1996 | 2,100억 | 2012 | 8,340억 |
| 1981 | 93.9억 | 1997 | 2,268억 | 2013 | 8,873억 |
| 1982 | 152억 | 1998 | 2,437억 | 2014 | 9,683억 |
| 1983 | 249억 | 1999 | 3,040억 | 2015 | 1조 |
| 1984 | 339억 | 2000 | 3,287억 | 2016 | 1.49조 |
| 1985 | 444억 | 2001 | 3,786억 | 2017 | 1.21조 |
| 1986 | 587억 | 2002 | 3,693억 | 2018 | 1.28조 |
| 1987 | 770억 | 2003 | 3,998억 | 2019 | 1.27조 |
| 1988 | 1,046억 | 2004 | 4,564억 | 2020 | 1.24조 |
| 1989 | 1,259억 | 2005 | 5,313억 | 2021 | 1.36조 |
| 1990 | 1,498억 | 2006 | 6,295억 | 2022 | 1.67조 |
| 1991 | 1,733억 | 2007 | 7,001억 | 2023 | 1.87조 |
| 1992 | 1,755억 | 2008 | 8,157억 | 2024 | 1.99조 |
| 1993 | 1,718억 | 2009 | 7,326억 | 2025 | 2.09조 |
| 1994 | 1,809억 | 2010 | 7,094억 | 2026 | 2.31조 |
| 1995 | 1,917억 | 2011 | 7,779억 | | |
데이터 표
| 1980 | 33.1% | 1996 | 42.5% | 2012 | 47.2% |
| 1981 | 34.4% | 1997 | 41.4% | 2013 | 45.6% |
| 1982 | 35% | 1998 | 40.3% | 2014 | 45.3% |
| 1983 | 36.8% | 1999 | 44.8% | 2015 | 43% |
| 1984 | 33.8% | 2000 | 44.3% | 2016 | 45.8% |
| 1985 | 36% | 2001 | 47% | 2017 | 43.8% |
| 1986 | 38.4% | 2002 | 45% | 2018 | 43.4% |
| 1987 | 35.5% | 2003 | 47.3% | 2019 | 43% |
| 1988 | 40.2% | 2004 | 46.2% | 2020 | 50.4% |
| 1989 | 41.7% | 2005 | 44.2% | 2021 | 48.7% |
| 1990 | 41.4% | 2006 | 44.3% | 2022 | 46.2% |
| 1991 | 41.6% | 2007 | 44.2% | 2023 | 45.2% |
| 1992 | 43.3% | 2008 | 62.8% | 2024 | 47.1% |
| 1993 | 43.7% | 2009 | 53.4% | 2025 | 45% |
| 1994 | 43.6% | 2010 | 48.2% | 2026 | 44.2% |
| 1995 | 43% | 2011 | 50% | | |
데이터 표
| 1980 | 56억 | 1996 | 2,174억 | 2012 | 8,825억 |
| 1981 | 90.5억 | 1997 | 2,265억 | 2013 | 9,047억 |
| 1982 | 145억 | 1998 | 2,471억 | 2014 | 9,558억 |
| 1983 | 263억 | 1999 | 2,954억 | 2015 | 1.01조 |
| 1984 | 318억 | 2000 | 3,184억 | 2016 | 1.17조 |
| 1985 | 463억 | 2001 | 3,808억 | 2017 | 1.17조 |
| 1986 | 652억 | 2002 | 3,884억 | 2018 | 1.25조 |
| 1987 | 786억 | 2003 | 4,198억 | 2019 | 1.32조 |
| 1988 | 1,097억 | 2004 | 4,531억 | 2020 | 1.5조 |
| 1989 | 1,399억 | 2005 | 4,777억 | 2021 | 1.62조 |
| 1990 | 1,617억 | 2006 | 5,498억 | 2022 | 1.82조 |
| 1991 | 1,760억 | 2007 | 6,218억 | 2023 | 1.98조 |
| 1992 | 1,831억 | 2008 | 1.01조 | 2024 | 2.16조 |
| 1993 | 1,902억 | 2009 | 8,715억 | 2025 | 2.23조 |
| 1994 | 2,015억 | 2010 | 8,210억 | 2026 | 2.38조 |
| 1995 | 2,049억 | 2011 | 8,926억 | | |