Year,North_land_mt,South_land_mt,Total_land_mt
1964,45,61,106
1965,37,79,116
1966,299,69,368
1967,540,59,599
1968,449,36,485
1969,240,43,283
1970,199,53,252
1971,213,53,266
1972,437,65,502
1973,708,240,948
1974,"1,200",183,"1,383"
1975,"1,877",417,"2,294"
1976,"2,256",608,"2,864"
1977,"3,167","1,314","4,481"
1978,"3,976","2,073","6,049"
1979,"4,068","4,697","8,765"
1980,"3,623","6,035","9,658"
1981,"3,171","4,142","7,313"
1982,"3,860","3,722","7,582"
1983,"3,849","4,115","7,964"
1984,"4,202","3,699","7,901"
1985,"4,616","4,262","8,878"
1986,"4,327","4,037","8,364"
1987,"4,960","3,762","8,722"
1988,"5,066","4,595","9,661"
1989,"6,391","8,353","14,744"
1990,"5,802","7,204","13,006"
1991,"5,693","9,865","15,558"
1992,"6,923","13,942","20,865"
1993,"10,645","15,098","25,743"
1994,"10,950","12,126","23,076"
1995,"12,032","14,625","26,657",,
1996,"10,762","16,032","26,794",,
1997,"9,794","18,534","28,328",,
1998,"7,367","19,309","26,676",,
1999,"9,260","15,953","25,213",,
2000,"10,685","10,191","20,876",,
2001,"13,500","9,801","23,301",,
2002,"14,029","8,866","22,895",,
2003,"15,103","10,963","26,066",,
2004,"13,164","7,945","21,109",,
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