. The following table gives the approximate increase in sea level in inches over 20 years starting in the given year. Estimate the net change in mean sea level from 18?!) to 2010. Starling Year Eta-War Change 18?!) {L3 1390 1 .5 1910 {1.2 1930 2.3 195i] 0.? 19m 1 .1 1990 1.5