# http://ozonewatch.gsfc.nasa.gov/meteorology/annual_data.txt
# TOMS. OMI. and OMPS data
# Missing data filled from NASA GMAO MERRA, MERRA-2, and GEOS FP
# Southern Hemisphere
# Ozone hole area mean (07 September -- 13 October)
# Minimum ozone (21 September -- 16 October)
      O3 Hole Area Minimum Ozone
Year     (mil km2)          (DU)
----  ------------ -------------
1979           0.1         225.0
1980           1.4         203.0
1981           0.6         209.5
1982           4.8         185.0
1983           7.9         172.9
1984          10.1         163.6
1985          14.2         146.5
1986          11.3         157.8
1987          19.3         123.0
1988          10.0         171.0
1989          18.7         127.0
1990          19.2         124.2
1991          18.8         119.0
1992          22.3         114.3
1993          24.2         112.6
1994          23.6          92.3
1996          22.8         108.8
1997          22.1         108.8
1998          25.9          98.8
1999          23.3         102.9
2000          24.8          98.7
2001          25.0         100.9
2002          12.0         157.4
2003          25.8         108.7
2004          19.5         123.5
2005          24.4         113.8
2006          26.6          98.4
2007          22.0         116.2
2008          25.2         114.0
2009          22.0         107.9
2010          19.4         128.5
2011          24.7         106.5
2012          17.8         139.3
2013          21.0         132.7
2014          20.9         128.6
2015          25.6         117.2
2016          20.7         123.2
2017          17.4         141.8
2018          22.9         111.8
2019           9.3         167.0
2020          23.5         102.6
2021          23.3         103.3
2022          23.2         112.5
2023          23.1         115.2