Table 1 Sample size of the NSPGDC III–V (1995–2015).
Age group | 1995 | 2005 | 2015 | ||||||
|---|---|---|---|---|---|---|---|---|---|
Boys | Girls | Total | Boys | Girls | Total | Boys | Girls | Total | |
1 m ~ | 3537 | 3487 | 7024 | 3127 | 3109 | 6236 | 3715 | 3703 | 7418 |
2 m ~ | 3549 | 3510 | 7059 | 3067 | 3057 | 6124 | 3664 | 3605 | 7269 |
3 m ~ | 3543 | 3522 | 7065 | 3104 | 3109 | 6213 | 3719 | 3731 | 7450 |
4 m ~ | 3548 | 3509 | 7057 | 3137 | 3132 | 6269 | 3613 | 3589 | 7202 |
5 m ~ | 3562 | 3509 | 7071 | 3104 | 3094 | 6198 | 3601 | 3608 | 7209 |
6 m ~ | 3600 | 3562 | 7162 | 3165 | 3152 | 6317 | 3770 | 3733 | 7503 |
8 m ~ | 3600 | 3544 | 7144 | 3155 | 3160 | 6315 | 3758 | 3747 | 7505 |
10 m ~ | 3577 | 3546 | 7123 | 3129 | 3100 | 6229 | 3729 | 3751 | 7480 |
12 m ~ | 3599 | 3550 | 7149 | 3150 | 3133 | 6283 | 3777 | 3742 | 7519 |
15 m ~ | 3600 | 3600 | 7200 | 3166 | 3132 | 6298 | 3715 | 3731 | 7446 |
18 m ~ | 3600 | 3600 | 7200 | 3143 | 3099 | 6242 | 3765 | 3750 | 7515 |
21 ~ 24 m | 3600 | 3600 | 7200 | 3113 | 3098 | 6211 | 3724 | 3635 | 7359 |
Total | 42,915 | 42,539 | 85,454 | 37,560 | 37,375 | 74,935 | 44,550 | 44,325 | 88,875 |
