1988

7.2

1997

6.5

1964

7.4

1972

2.4

2012

0.0

1969

5.3

1988

6.6

1975

6.8

2003

6.1

1960

5.9

1954

6.3

1956

1.0

1990

5.8

1926

7.0

1925

0.0

1986

6.2

1997

6.2

2003

6.3

2020

10.0

1966

6.5