Age in Total number Number (%) who
years of girls have attained
(respondents) menarche
10 2 0(0)
11 13 1(7.7)
12 109 16(15.1)
13 296 95(32.4)
14 356 218(61.2)
15 380 337(88.7)
16 490 471(96.1)
17 315 313(99.4)
18 112 112(100.0)
19 62 62(100.0)
20 15 15(100.0)
Total 2150 1640(100.0)