1952

7.2

1939

0.0

1930

7.0

1974

4.9

1996

6.6

1929

6.5

1964

7.1

2006

6.6

2006

6.7

1958

6.0

2017

5.7

1958

5.7

2008

5.1

1969

6.9

1933

6.1

1934

7.3

1986

1.0

1926

4.3

1930

7.0

1992

7.4