1963

7.7

1969

6.3

1959

8.1

2005

6.9

1993

7.4

1987

7.6

2001

5.9

1992

7.1

2006

6.7

2004

6.5

2006

7.4

1928

0.0

2006

7.5

1960

6.9

2017

8.3

1973

6.1

2020

6.0

1997

6.7

1976

3.0

1952

7.4