1974

7.9

1988

7.5

1947

5.8

1995

7.0

1994

7.0

1959

6.4

1982

6.6

1994

6.2

1984

7.2

1936

7.3

1991

2.3

1989

6.0

2014

5.0

1980

5.3

1994

6.6

1986

5.6

1985

6.5

1992

3.3

2025

5.8

1991

6.8