year,ssb,rec,land,fmort
1975,33.4,112.7,19.8,0.70026
1976,26.2,92.7,8.5,0.28319
1977,30.4,127.9,12.4,0.53457
1978,37.9,109.9,20.5,0.81698
1979,35.2,226.7,16.7,1.36712
1980,77.2,489.2,15.2,0.39416
1981,100.2,782.6,30.5,0.63536
1982,128.8,503.4,22.3,0.27667
1983,146,287.3,18.6,0.72904
1984,219.5,139.5,22.3,0.46037
1985,406.1,241.1,36.3,1.28534
1986,693.3,138.4,35.6,1.03233
1987,779.3,142.2,37.1,2.10216
1988,739.2,73,44,0.19688