"U.S. Bureau of the Census, International Data Base" "Table 035. Ave. No. Children Ever Born & Children Surviving/Woman,by Urb/Rur Res""----------------","-----------------","-----------------""Country or area/"," "," ""Year/ "," "," ""Res/ "," Children ever"," Children""Age "," born"," surviving""----------------","-----------------","-----------------""Northern Mariana Islands/1973/Total" " 15-19 ", 19.0000, 0.1800" 20-24 ", 1.4200, 1.3500" 25-29 ", 3.2300, 3.0200" 30-34 ", 5.1100, 4.7400" 35-39 ", 7.4100, 6.8100" 40-44 ", 8.0100, 7.2700" 45-49 ", 8.4900, 7.1500 "Northern Mariana Islands/1980/Total" " 15-19 ", 0.1765, (NA)" 20-24 ", 1.1706, (NA)" 25-29 ", 2.2268, (NA)" 30-34 ", 3.3786, (NA)" 35-44 ", 5.2114, (NA)" 45-49 ", 6.7506, (NA)"----------------","-----------------","-----------------""Source: U.S. Bureau of the Census, International" " Data Base."