rownames,N.Amer,Europe,Asia,S.Amer,Oceania,Africa,Mid.Amer
1951,45939,21574,2876,1815,1646,89,555
1956,60423,29990,4708,2568,2366,1411,733
1957,64721,32510,5230,2695,2526,1546,773
1958,68484,35218,6662,2845,2691,1663,836
1959,71799,37598,6856,3000,2868,1769,911
1960,76036,40341,8220,3145,3054,1905,1008
1961,79831,43173,9053,3338,3224,2005,1076