1974

7.6

1991

1.0

2008

1.0

1942

7.5

1999

6.0

1943

5.4

1950

8.1

2016

6.8

1992

4.0

2016

5.0

1965

6.8

2015

0.0

2018

5.8

1994

6.9

1923

6.0

1941

3.7

1994

4.0

1989

6.4

1970

6.8

1962

6.0