1971

6.7

2016

6.3

1954

5.3

1999

6.1

1934

5.0

1969

7.1

1978

5.8

1966

5.3

1982

7.2

2016

6.6

1976

6.9

1973

7.2

1972

6.5

1994

7.3

2016

6.8

1977

7.7

1978

6.8

1975

7.5

2015

7.2

1972

7.5