2016

6.6

1972

6.7

1958

7.4

2004

7.1

1982

8.0

1952

7.6

1950

7.5

1947

7.0

1949

6.9

2011

9.7

1951

7.4

2003

6.8

2000

4.3

1989

6.2

1963

6.5

1974

5.7

1955

6.3

1952

6.7

1953

6.6