Table 1 Sample distribution

1

Preweaning

(0.3 ± 0.1)

14

(7/7)

2

Weaning

(0.8 ± 0.4)

12

(6/6)

3

Weaned-3 years old

(2.4 ± 0.6)

18

(10/8)

4

4–9 years old

(6.1 ± 1.9)

14

(6/8)

10

10–19 years old

(14.1 ± 3.6)

10

(7/3)

20

20–29 years old

(25.9 ± 2.7)

40

(16/24)

30

30–39 years old

(33.9 ± 2.3)

88

(45/43)

40

40–49 years old

(43.8 ± 3.1)

34

(13/21)

50

50–59 years old

(53.3 ± 2.6)

25

(12/13)

60

60–69 years old

(63 ± 2.7)

28

(11/17)

70

70–79 years old

(76.8 ± 2.1)

15

(5/10)

80

80–89 years old

(83.3 ± 2.4)

48

(16/32)

90

90–99 years old

(94.2 ± 2.7)

19

(4/15)

100

Over 100 years old

(101.3 ± 1.8)

6

(0/6)

Sum

371

(158/213)