1994

7.0

2018

6.4

2005

6.9

2004

6.7

1967

6.6

1953

5.7

1955

7.2

2014

6.8

1946

6.6

1977

7.2

2004

3.6

2005

6.0

1954

8.1

2003

6.1

1991

7.1

1968

3.5

1972

7.9

2005

6.4

1961

6.5

2003

6.3