1947

6.0

1969

6.0

1973

7.4

1992

7.4

1944

7.6

2007

7.5

2013

6.1

1955

7.9

2000

4.8

2000

7.3

1990

3.0

1972

6.6

2010

0.0

1978

5.0

1978

7.1

1982

6.9

1983

5.1

1989

3.7

1965

7.0

1982

6.9