데이터 표
| 1980 | 10.9% | 1996 | 55.4% | 2012 | 57.9% |
| 1981 | 11.5% | 1997 | 52.2% | 2013 | 60.8% |
| 1982 | 13.9% | 1998 | 46.8% | 2014 | 64.8% |
| 1983 | 15.4% | 1999 | 44% | 2015 | 68.8% |
| 1984 | 15.2% | 2000 | 42.4% | 2016 | 68.6% |
| 1985 | 15.8% | 2001 | 40.9% | 2017 | 66.6% |
| 1986 | 16.4% | 2002 | 40.1% | 2018 | 65.3% |
| 1987 | 17.6% | 2003 | 42.7% | 2019 | 65.3% |
| 1988 | 16.5% | 2004 | 42.6% | 2020 | 75.3% |
| 1989 | 14.3% | 2005 | 39.9% | 2021 | 73.1% |
| 1990 | 13.9% | 2006 | 38% | 2022 | 74% |
| 1991 | 21.9% | 2007 | 33.9% | 2023 | 77% |
| 1992 | 39.3% | 2008 | 32.6% | 2024 | 82.4% |
| 1993 | 54.2% | 2009 | 41.5% | 2025 | 89.3% |
| 1994 | 56.2% | 2010 | 50.1% | 2026 | 93.1% |
| 1995 | 55.2% | 2011 | 52% | | |
데이터 표
| 1980 | 36.7억 | 1996 | 565억 | 2012 | 1,159억 |
| 1981 | 44억 | 1997 | 579억 | 2013 | 1,238억 |
| 1982 | 59.3억 | 1998 | 564억 | 2014 | 1,334억 |
| 1983 | 73.5억 | 1999 | 559억 | 2015 | 1,445억 |
| 1984 | 81.2억 | 2000 | 579억 | 2016 | 1,481억 |
| 1985 | 92.3억 | 2001 | 591억 | 2017 | 1,496억 |
| 1986 | 103억 | 2002 | 596억 | 2018 | 1,514억 |
| 1987 | 120억 | 2003 | 648억 | 2019 | 1,558억 |
| 1988 | 127억 | 2004 | 676억 | 2020 | 1,780억 |
| 1989 | 123억 | 2005 | 657억 | 2021 | 1,819억 |
| 1990 | 126억 | 2006 | 657억 | 2022 | 1,968억 |
| 1991 | 190억 | 2007 | 634억 | 2023 | 2,103억 |
| 1992 | 333억 | 2008 | 633억 | 2024 | 2,275억 |
| 1993 | 464억 | 2009 | 755억 | 2025 | 2,505억 |
| 1994 | 509억 | 2010 | 943억 | 2026 | 2,666억 |
| 1995 | 544억 | 2011 | 1,028억 | | |
데이터 표
| 1980 | 62.5% | 1996 | 12.4% | 2012 | 9.5% |
| 1981 | 61.9% | 1997 | 15.3% | 2013 | 13% |
| 1982 | 57.1% | 1998 | 12.2% | 2014 | 17.3% |
| 1983 | 53.9% | 1999 | 7.8% | 2015 | 18.6% |
| 1984 | 53.6% | 2000 | 1.8% | 2016 | 21.5% |
| 1985 | 56.1% | 2001 | 0.4% | 2017 | 22% |
| 1986 | 57.7% | 2002 | -2.8% | 2018 | 24.6% |
| 1987 | 57.7% | 2003 | -1.4% | 2019 | 27.3% |
| 1988 | 60.4% | 2004 | -4.3% | 2020 | 33.5% |
| 1989 | 68.7% | 2005 | -6.9% | 2021 | 34.5% |
| 1990 | 73.1% | 2006 | -7.1% | 2022 | 32.4% |
| 1991 | 70.3% | 2007 | -7.3% | 2023 | 34.5% |
| 1992 | 51.2% | 2008 | -9.9% | 2024 | 38.6% |
| 1993 | 33.3% | 2009 | -7.3% | 2025 | 41.8% |
| 1994 | 33.7% | 2010 | 3.2% | 2026 | 45.7% |
| 1995 | 8.4% | 2011 | 5% | | |
데이터 표
| 1980 | 210억 | 1996 | 127억 | 2012 | 190억 |
| 1981 | 236억 | 1997 | 169억 | 2013 | 264억 |
| 1982 | 245억 | 1998 | 147억 | 2014 | 356억 |
| 1983 | 258억 | 1999 | 99.3억 | 2015 | 390억 |
| 1984 | 287억 | 2000 | 23.9억 | 2016 | 463억 |
| 1985 | 327억 | 2001 | 5.79억 | 2017 | 495억 |
| 1986 | 362억 | 2002 | -41.1억 | 2018 | 571억 |
| 1987 | 391억 | 2003 | -21.7억 | 2019 | 650억 |
| 1988 | 463억 | 2004 | -69억 | 2020 | 793억 |
| 1989 | 590억 | 2005 | -114억 | 2021 | 859억 |
| 1990 | 665억 | 2006 | -122억 | 2022 | 863억 |
| 1991 | 611억 | 2007 | -136억 | 2023 | 942억 |
| 1992 | 434억 | 2008 | -192억 | 2024 | 1,064억 |
| 1993 | 285억 | 2009 | -133억 | 2025 | 1,173억 |
| 1994 | 306억 | 2010 | 59.6억 | 2026 | 1,310억 |
| 1995 | 82.3억 | 2011 | 99.7억 | | |