1929

6.5

1950

8.1

1950

8.3

1927

7.8

1953

7.7

2011

4.0

2006

6.1

2007

6.7

2007

6.9

1944

7.6

2018

5.6

1990

6.9

1987

7.5

1995

7.3

1961

0.0

2017

7.4

1971

4.8

1970

7.2

1969

7.5

1968

6.3