2006

4.7

2003

6.5

1977

6.8

1984

6.7

1944

6.4

1963

6.9

1986

6.3

1987

6.7

1966

8.0

1978

2.5

1976

6.6

1909

5.0

1944

6.1

1968

6.3

1952

6.8

1951

6.7

1952

6.7

1937

7.2

1946

6.7

1969

5.2