데이터 표
| 1980 | 562억 | 1996 | 1,425억 | 2012 | 2,390억 |
| 1981 | 519억 | 1997 | 1,389억 | 2013 | 2,366억 |
| 1982 | 541억 | 1998 | 1,398억 | 2014 | 2,340억 |
| 1983 | 489억 | 1999 | 1,437억 | 2015 | 1,946억 |
| 1984 | 477억 | 2000 | 1,274억 | 2016 | 1,930억 |
| 1985 | 473억 | 2001 | 1,321억 | 2017 | 2,003억 |
| 1986 | 556억 | 2002 | 1,501억 | 2018 | 2,134억 |
| 1987 | 648억 | 2003 | 1,969억 | 2019 | 2,073억 |
| 1988 | 754억 | 2004 | 2,349억 | 2020 | 1,912억 |
| 1989 | 781억 | 2005 | 2,425억 | 2021 | 2,184억 |
| 1990 | 966억 | 2006 | 2,691억 | 2022 | 2,182억 |
| 1991 | 1,042억 | 2007 | 3,143억 | 2023 | 2,430억 |
| 1992 | 1,148억 | 2008 | 3,511억 | 2024 | 2,562억 |
| 1993 | 1,075억 | 2009 | 3,265억 | 2025 | 2,805억 |
| 1994 | 1,151억 | 2010 | 2,967억 | 2026 | 3,076억 |
| 1995 | 1,350억 | 2011 | 2,832억 | | |
데이터 표
| 1980 | 70.1억 | 1996 | 1,007억 | 2012 | 1,859억 |
| 1981 | 83.9억 | 1997 | 1,112억 | 2013 | 1,781억 |
| 1982 | 106억 | 1998 | 1,211억 | 2014 | 1,761억 |
| 1983 | 126억 | 1999 | 1,287억 | 2015 | 1,754억 |
| 1984 | 157억 | 2000 | 1,362억 | 2016 | 1,744억 |
| 1985 | 191억 | 2001 | 1,474억 | 2017 | 1,774억 |
| 1986 | 228억 | 2002 | 1,589억 | 2018 | 1,806억 |
| 1987 | 257억 | 2003 | 1,741억 | 2019 | 1,852억 |
| 1988 | 313억 | 2004 | 1,889억 | 2020 | 1,675억 |
| 1989 | 372억 | 2005 | 1,948억 | 2021 | 1,846억 |
| 1990 | 449억 | 2006 | 2,143억 | 2022 | 2,070억 |
| 1991 | 555억 | 2007 | 2,293억 | 2023 | 2,247억 |
| 1992 | 641억 | 2008 | 2,387억 | 2024 | 2,367억 |
| 1993 | 722억 | 2009 | 2,343억 | 2025 | 2,484억 |
| 1994 | 819억 | 2010 | 2,236억 | 2026 | 2,608억 |
| 1995 | 918억 | 2011 | 2,035억 | | |
데이터 표
| 1980 | 1,317억 | 1996 | 1,521억 | 2012 | 1,773억 |
| 1981 | 1,296억 | 1997 | 1,575억 | 2013 | 1,733억 |
| 1982 | 1,281억 | 1998 | 1,630억 | 2014 | 1,746억 |
| 1983 | 1,268억 | 1999 | 1,673억 | 2015 | 1,742억 |
| 1984 | 1,293억 | 2000 | 1,742억 | 2016 | 1,742억 |
| 1985 | 1,326억 | 2001 | 1,823억 | 2017 | 1,768억 |
| 1986 | 1,332억 | 2002 | 1,909억 | 2018 | 1,804억 |
| 1987 | 1,302억 | 2003 | 2,019억 | 2019 | 1,845억 |
| 1988 | 1,358억 | 2004 | 2,128억 | 2020 | 1,675억 |
| 1989 | 1,410억 | 2005 | 2,153억 | 2021 | 1,820억 |
| 1990 | 1,410억 | 2006 | 2,292억 | 2022 | 1,921억 |
| 1991 | 1,454억 | 2007 | 2,372억 | 2023 | 1,962억 |
| 1992 | 1,464억 | 2008 | 2,373억 | 2024 | 2,003억 |
| 1993 | 1,440억 | 2009 | 2,276억 | 2025 | 2,044억 |
| 1994 | 1,469억 | 2010 | 2,146억 | 2026 | 2,081억 |
| 1995 | 1,500억 | 2011 | 1,934억 | | |