year,date,million_km_squared,source,date_new
1979,17 September,1.1,https://ozonewatch.gsfc.nasa.gov/statistics/annual_data.html,1979-09-17
1980,21 September,3.3,,1980-09-21
1981,10 October,3.1,,1981-10-10
1982,02 October,10.8,,1982-10-02
1983,17 October,12.2,,1983-10-17
1984,24 September,14.7,,1984-09-24
1985,03 October,18.8,,1985-10-03
1986,06 October,14.4,,1986-10-06
1987,29 September,22.5,,1987-09-29
1988,20 September,13.8,,1988-09-20
1989,03 October,21.7,,1989-10-03
1990,19 September,21.1,,1990-09-19
1991,04 October,22.6,,1991-10-04
1992,27 September,24.9,,1992-09-27
1993,19 September,25.8,,1993-09-19
1994,30 September,25.2,,1994-09-30
1996,07 September,26.9,,1996-09-07
1997,27 September,25.1,,1997-09-27
1998,19 September,27.9,,1998-09-19
1999,15 September,25.8,,1999-09-15
2000,09 September,29.9,,2000-09-09
2001,17 September,26.5,,2001-09-17
2002,19 September,21.9,,2002-09-19
2003,24 September,28.4,,2003-09-24
2004,22 September,22.8,,2004-09-22
2005,11 September,27.2,,2005-09-11
2006,24 September,29.6,,2006-09-24
2007,13 September,25.2,,2007-09-13
2008,12 September,27,,2008-09-12
2009,17 September,24.4,,2009-09-17
2010,25 September,22.6,,2010-09-25
2011,12 September,26.1,,2011-09-12
2012,22 September,21.1,,2012-09-22
2013,16 September,24,,2013-09-16
2014,11 September,24.1,,2014-09-11
2015,02 October,28.2,,2015-10-02
2016,28 September,23,,2016-09-28
2017,11 September,19.6,,2017-09-11
2018,20 September,24.8,,2018-09-20
2019,08 September,16.4,,2019-09-08
2020,20 September,24.8,,2020-09-20
2021,07 October,24.8,,2021-10-07
2022,05 October,26.5,,2022-10-05