1978

4.2

1997

7.4

1979

6.7

1972

6.7

1948

7.2

2003

5.5

2018

0.0

2003

6.4

1944

6.6

1965

4.8

2007

5.6

2007

7.9

2000

7.2

1992

4.1

1998

7.2

2000

6.0

1963

7.7

1993

6.3

2006

6.3

1985

6.7