Year,Area,Date of maximum
1979,1.5,1979-09-17
1980,5.0,1980-10-30
1981,3.9,1981-10-10
1982,10.9,1982-10-02
1983,12.7,1983-10-17
1984,14.2,1984-09-25
1985,17.5,1985-10-12
1986,14.9,1986-10-06
1987,22.4,1987-09-29
1988,14.0,1988-09-20
1989,21.8,1989-09-22
1990,20.8,1990-10-03
1991,21.8,1991-10-02
1992,24.0,1992-09-19
1993,22.2,1993-09-21
1994,22.6,1994-09-25
1995,22.9,1995-09-27
1996,24.5,1996-09-07
1997,22.2,1997-10-05
1998,27.0,1998-09-20
1999,25.3,1999-09-15
2000,28.4,2000-09-06
2001,26.1,2001-09-15
2002,18.1,2002-09-18
2003,26.9,2003-09-12
2004,21.5,2004-09-17
2005,25.7,2005-09-19
2006,26.2,2006-09-15
2007,24.0,2007-09-12
2008,26.0,2008-09-13
2009,24.2,2009-09-18
2010,21.8,2010-09-25
2011,24.5,2011-09-17
2012,19.3,2012-09-22
2013,21.9,2013-09-15
2014,22.6,2014-10-01
2015,27.9,2015-10-09
2016,21.8,2016-09-19
2017,18.2,2017-09-30
2018,24.1,2018-09-20
2019,9.4,2019-09-30
2020,24.0,2020-10-07
2021,24.8,2021-09-30
2022,24.5,2022-09-26
2023,26.1,2023-09-16
2024,21.9,2024-09-27