1992

7.9

1980

6.8

2015

7.8

1965

6.4

1999

6.4

1974

5.0

1971

6.3

2017

4.7

1979

4.8

1966

5.7

1977

5.9

1971

6.3

1951

5.1

1941

5.6

2005

5.6

1960

5.7

1950

0.0

1952

4.6

1971

5.6

1952

6.0