데이터 표
| 1980 | 12.4억 | 1996 | 45.9억 | 2012 | 118억 |
| 1981 | 11.8억 | 1997 | 43.1억 | 2013 | 123억 |
| 1982 | 11.3억 | 1998 | 43.5억 | 2014 | 131억 |
| 1983 | 12억 | 1999 | 46억 | 2015 | 120억 |
| 1984 | 11.1억 | 2000 | 49.4억 | 2016 | 126억 |
| 1985 | 11.2억 | 2001 | 48.8억 | 2017 | 137억 |
| 1986 | 15.2억 | 2002 | 51.2억 | 2018 | 147억 |
| 1987 | 19.2억 | 2003 | 61.6억 | 2019 | 144억 |
| 1988 | 22.3억 | 2004 | 69.6억 | 2020 | 114억 |
| 1989 | 22.9억 | 2005 | 68.7억 | 2021 | 115억 |
| 1990 | 27.4억 | 2006 | 71.2억 | 2022 | 129억 |
| 1991 | 30.2억 | 2007 | 82.6억 | 2023 | 141억 |
| 1992 | 34억 | 2008 | 101억 | 2024 | 150억 |
| 1993 | 35억 | 2009 | 92.5억 | 2025 | 161억 |
| 1994 | 38.9억 | 2010 | 101억 | 2026 | 171억 |
| 1995 | 44.4억 | 2011 | 117억 | | |
데이터 표
| 1980 | 95.4억 | 1996 | 824억 | 2012 | 3,554억 |
| 1981 | 105억 | 1997 | 908억 | 2013 | 3,774억 |
| 1982 | 123억 | 1998 | 1,045억 | 2014 | 4,004억 |
| 1983 | 140억 | 1999 | 1,158억 | 2015 | 4,209억 |
| 1984 | 153억 | 2000 | 1,295억 | 2016 | 4,476억 |
| 1985 | 173억 | 2001 | 1,422억 | 2017 | 4,729억 |
| 1986 | 203억 | 2002 | 1,535억 | 2018 | 5,000억 |
| 1987 | 247억 | 2003 | 1,717억 | 2019 | 5,121억 |
| 1988 | 299억 | 2004 | 1,914억 | 2020 | 4,489억 |
| 1989 | 349억 | 2005 | 2,025억 | 2021 | 4,788억 |
| 1990 | 408억 | 2006 | 2,259억 | 2022 | 5,703억 |
| 1991 | 472억 | 2007 | 2,586억 | 2023 | 6,383억 |
| 1992 | 529억 | 2008 | 2,881억 | 2024 | 6,956억 |
| 1993 | 618억 | 2009 | 2,957억 | 2025 | 7,456억 |
| 1994 | 698억 | 2010 | 3,121억 | 2026 | 8,015억 |
| 1995 | 772억 | 2011 | 3,351억 | | |
데이터 표
| 1980 | 831억 | 1996 | 2,021억 | 2012 | 4,002억 |
| 1981 | 880억 | 1997 | 2,136억 | 2013 | 4,137억 |
| 1982 | 928억 | 1998 | 2,266억 | 2014 | 4,295억 |
| 1983 | 931억 | 1999 | 2,325억 | 2015 | 4,454억 |
| 1984 | 976억 | 2000 | 2,515억 | 2016 | 4,626억 |
| 1985 | 1,043억 | 2001 | 2,596억 | 2017 | 4,808억 |
| 1986 | 1,145억 | 2002 | 2,638억 | 2018 | 5,000억 |
| 1987 | 1,261억 | 2003 | 2,796억 | 2019 | 5,145억 |
| 1988 | 1,347억 | 2004 | 2,916억 | 2020 | 4,397억 |
| 1989 | 1,407억 | 2005 | 2,959억 | 2021 | 4,546억 |
| 1990 | 1,508억 | 2006 | 3,092억 | 2022 | 4,941억 |
| 1991 | 1,575억 | 2007 | 3,269억 | 2023 | 5,189억 |
| 1992 | 1,677억 | 2008 | 3,446억 | 2024 | 5,445억 |
| 1993 | 1,762억 | 2009 | 3,560억 | 2025 | 5,613억 |
| 1994 | 1,835억 | 2010 | 3,716억 | 2026 | 5,804억 |
| 1995 | 1,914억 | 2011 | 3,867억 | | |