1961

6.2

2007

5.3

2017

6.1

1942

6.5

1975

5.3

2004

6.7

1988

7.1

1998

7.3

2006

6.0

2007

6.1

1966

8.2

1981

7.4

2008

6.6

2015

0.0

1943

5.4

1953

5.5

1972

3.5

1964

6.1

1967

6.5

2017

7.3