1933

6.2

1995

6.3

1960

4.7

1964

0.0

2007

5.9

2015

6.8

2015

4.5

1966

7.0

2006

5.4

2015

5.8

1992

7.7

1981

0.0

1978

0.0

1965

0.0

1939

4.0

1949

6.6

1978

0.0

1981

0.0

1951

5.2

1955

6.6