1966

7.3

1965

6.0

1973

5.7

1964

5.4

1971

4.9

1968

7.4

1951

5.8

2007

5.0

1952

5.6

1975

1.0

1961

7.8

2001

0.0

1968

7.8

1948

0.0

1966

0.0

1949

6.0

1971

7.6

1976

0.0

1973

6.6

1963

6.0