1992

7.4

2002

6.7

1952

7.3

1965

8.1

2017

6.3

1950

7.1

1971

7.2

1941

7.0

2014

6.0

1940

7.9

1968

7.6

1982

6.7

1962

7.6

1992

6.2

1998

6.6

1927

0.0

2017

6.5

2014

6.3

1998

5.9

1973

7.9