Vecums (mēnešos) Skaņa
DZ vārdā gredzens
37 67.1%
38 72.1%
39 76.8%
40 81%
41 84.7%
42 87.9%
43 90.7%
44 93%
45 95%
46 96.4%
47 97.2%
48 97.6%
49 97.6%
50 97.6%
51 96.9%
52 95.4%
53 93.9%
54 93%
55 92.9%
56 93%
57 93.3%
58 93.7%
59 94.1%
60 94.6%
61 95.2%
62 95.9%
63 96.5%
64 97%
65 97.6%
66 98.2%
67 98.7%
68 99.2%
69 99.7%
70 100%
71 100%