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)

Table 1: Distribution of age at menarche.