   BACKGRND  SEASHR 12.6 19.4 13.4 10.2 18.1 13.6 23.3 22.5 19.7 21.0 42.2 26.5 20.7 20.7 22.0 21.7 15.7 21.7 19.1 17.3 20.2 12.5 14.7 14.4
   BACKGRND  SEASHR 12.3 7.9 11.8 20.4 12.6 11.5 13.1 35.1 31.4 28.6 16.0 23.6 13.1 10.7 11.3 14.7 14.9 11.0 17.3 24.6 15.2 27.2 18.1 12.1
   BACKGRND  SEASHR 6.0 6.3 6.0 8.6 13.6 13.6 12.8 25.4 24.9 25.2 20.7 13.4 12.6 11.5 12.8 11.3 15.2 11.5 11.3 12.3 11.8 6.0 6.6 7.3
   BACKGRND  SEASHR 20.7 11.8 25.4 22.0 27.8 18.3 17.8 26.7 27.0 39.6 20.2 22.5 21.7 37.5 38.5 27.0 25.4 34.4 20.7 25.7 11.3 22.3 27.5 20.7