데이터 표
| 1982 | 13.1% | 1997 | 14.6% | 2012 | 16.8% |
| 1983 | 12.5% | 1998 | 15.3% | 2013 | 18% |
| 1984 | 12.3% | 1999 | 14.5% | 2014 | 17.7% |
| 1985 | 12.5% | 2000 | 14.5% | 2015 | 17.1% |
| 1986 | 12.3% | 2001 | 14.4% | 2016 | 17.9% |
| 1987 | 13.2% | 2002 | 14.4% | 2017 | 17.8% |
| 1988 | 14% | 2003 | 15.3% | 2018 | 17.5% |
| 1989 | 13.9% | 2004 | 16% | 2019 | 17% |
| 1990 | 13.9% | 2005 | 16.1% | 2020 | 16.7% |
| 1991 | 9.9% | 2006 | 16.9% | 2021 | 16.8% |
| 1992 | 9.3% | 2007 | 17.1% | 2022 | 17.1% |
| 1993 | 10.3% | 2008 | 17% | 2023 | 17% |
| 1994 | 14.7% | 2009 | 17.2% | 2024 | 17.5% |
| 1995 | 17.1% | 2010 | 17.9% | 2025 | 17.6% |
| 1996 | 14.7% | 2011 | 16.5% | 2026 | 17.2% |
데이터 표
| 1982 | 175억 | 1997 | 1,690억 | 2012 | 8,014억 |
| 1983 | 187억 | 1998 | 1,907억 | 2013 | 9,552억 |
| 1984 | 208억 | 1999 | 1,899억 | 2014 | 1.06조 |
| 1985 | 240억 | 2000 | 2,007억 | 2015 | 1.18조 |
| 1986 | 276억 | 2001 | 2,117억 | 2016 | 1.36조 |
| 1987 | 330억 | 2002 | 2,151억 | 2017 | 1.51조 |
| 1988 | 390억 | 2003 | 2,483억 | 2018 | 1.64조 |
| 1989 | 447억 | 2004 | 2,878억 | 2019 | 1.74조 |
| 1990 | 516억 | 2005 | 3,191억 | 2020 | 1.79조 |
| 1991 | 416억 | 2006 | 3,610억 | 2021 | 2.02조 |
| 1992 | 453억 | 2007 | 4,231억 | 2022 | 2.31조 |
| 1993 | 629억 | 2008 | 4,818억 | 2023 | 2.55조 |
| 1994 | 1,031억 | 2009 | 5,618억 | 2024 | 2.84조 |
| 1995 | 1,399억 | 2010 | 6,429억 | 2025 | 3.1조 |
| 1996 | 1,520억 | 2011 | 6,860억 | 2026 | 3.36조 |
데이터 표
| 1982 | 16.2% | 1997 | 15.6% | 2012 | 22.1% |
| 1983 | 14.6% | 1998 | 15.3% | 2013 | 23.2% |
| 1984 | 14.9% | 1999 | 13.7% | 2014 | 23.4% |
| 1985 | 15.6% | 2000 | 14.1% | 2015 | 23.8% |
| 1986 | 15.3% | 2001 | 14.9% | 2016 | 25.3% |
| 1987 | 15.5% | 2002 | 15.7% | 2017 | 25.2% |
| 1988 | 15.9% | 2003 | 16% | 2018 | 24.5% |
| 1989 | 16.3% | 2004 | 15.4% | 2019 | 24.4% |
| 1990 | 17.2% | 2005 | 16.2% | 2020 | 24.8% |
| 1991 | 16.4% | 2006 | 17.3% | 2021 | 24% |
| 1992 | 17.6% | 2007 | 18.1% | 2022 | 23.1% |
| 1993 | 18.9% | 2008 | 18.9% | 2023 | 22.6% |
| 1994 | 18.8% | 2009 | 20.3% | 2024 | 23.2% |
| 1995 | 17.3% | 2010 | 21.5% | 2025 | 24% |
| 1996 | 15.2% | 2011 | 20.1% | 2026 | 23.7% |
데이터 표
| 1982 | 216억 | 1997 | 1,794억 | 2012 | 1.05조 |
| 1983 | 220억 | 1998 | 1,911억 | 2013 | 1.23조 |
| 1984 | 251억 | 1999 | 1,789억 | 2014 | 1.41조 |
| 1985 | 298억 | 2000 | 1,955억 | 2015 | 1.64조 |
| 1986 | 343억 | 2001 | 2,194억 | 2016 | 1.92조 |
| 1987 | 386억 | 2002 | 2,345억 | 2017 | 2.14조 |
| 1988 | 445억 | 2003 | 2,601억 | 2018 | 2.28조 |
| 1989 | 524억 | 2004 | 2,787억 | 2019 | 2.5조 |
| 1990 | 637억 | 2005 | 3,230억 | 2020 | 2.66조 |
| 1991 | 692억 | 2006 | 3,703억 | 2021 | 2.89조 |
| 1992 | 854억 | 2007 | 4,467억 | 2022 | 3.12조 |
| 1993 | 1,150억 | 2008 | 5,372억 | 2023 | 3.4조 |
| 1994 | 1,322억 | 2009 | 6,641억 | 2024 | 3.77조 |
| 1995 | 1,417억 | 2010 | 7,751억 | 2025 | 4.23조 |
| 1996 | 1,570억 | 2011 | 8,374억 | 2026 | 4.61조 |