دهه 1950 میلادی

3.7

161

4.0

142

3.8

53

3.7

43

4.5

25

3.3

36

3.7

12

3.8

21

4.2

17

3.8

21

3.3

20

3.5

15

3.4

10

3.5

13

3.4

12

4.1

11

4.1

6

3.7

7

4.2

2

3.6

5