12, 8, 46, 4), 4% (IS: - 26, 9, 26, 7), 6% (IS: - 33, 5, 34, 3) a 14% (IS: - 31, 6, 44, 2).
12, 8, 46, 4), 4% (TI: – 26, 9, 26, 7), 6% (TI: – 33, 5, 34, 3) un 14% (TI: – 31, 6, 44, 2), attiecīgi 0 – 1, 1 – 3, 3 – 6, 6 – 9 un 9 – 12 mēnešu pētījuma intervālos.