1984

6.6

1940

6.1

1940

6.2

1939

6.6

1989

2.1

1969

5.4

1989

5.8

2010

5.5

1990

6.1

2001

7.4

1959

6.7

1959

7.2

1943

7.7

1959

6.7

1939

7.6

1994

5.5

1973

4.6

1997

6.3

2013

8.1

1989

7.0