1982

6.7

1979

6.5

1992

6.9

1958

8.2

1947

4.8

1953

6.1

1955

5.7

1970

3.7

1958

7.1

2018

7.6

1952

6.6

1949

4.7

1953

4.6

1979

6.8

2019

7.3

2017

4.9

1968

0.0

1990

6.0

1997

5.7

2003

7.2