1949

7.6

1998

6.2

1988

5.2

2007

5.9

1990

6.8

2023

5.7

1982

6.0

1977

6.3

1985

7.0

1944

7.0

1934

7.8

2017

8.0

1955

6.5

1969

6.7

1974

0.0

1981

0.0

1968

6.6

1971

2.0

1977

0.0

1991

0.0