Vecums (mēnešos) Skaņa
B vārdā grab
37 63.1%
38 67.6%
39 71.7%
40 75.5%
41 79%
42 82%
43 84.8%
44 87.2%
45 89.3%
46 90.9%
47 91.9%
48 92.4%
49 92.7%
50 93.1%
51 93.7%
52 94.2%
53 94.7%
54 95.1%
55 95.4%
56 95.4%
57 95.4%
58 95.4%
59 95.6%
60 95.9%
61 96.2%
62 96.6%
63 96.9%
64 97.3%
65 97.7%
66 98.1%
67 98.5%
68 98.9%
69 99.4%
70 99.9%
71 100%