1957

7.2

2001

6.2

1988

6.7

2007

7.4

1942

6.8

1973

6.6

2017

4.0

2012

3.3

1999

0.0

1959

5.0

2003

7.1

1982

6.7

2008

6.6

2014

5.3

2021

6.7

2024

6.5

1997

6.9

1997

7.3

1970

6.7

1965

7.2