1985

7.3

1977

7.0

1974

8.6

1995

4.6

1996

7.3

1932

6.9

1999

5.7

1967

7.0

2004

7.4

2000

6.6

1968

5.4

2018

6.3

2019

6.6

1954

7.3

1976

7.0

2016

4.8

1970

6.2

2003

6.3

2014

7.2

2001

8.0