2015

6.3

1976

7.2

1993

7.3

1970

7.1

1970

7.5

1992

7.2

1955

6.8

0.0

1974

4.7

1977

7.7

1964

0.0

2001

6.4

2006

7.5

1995

7.0

1946

7.8

1942

6.6

1966

7.2

1961

8.0

1957

7.8

2001

7.4