1980

7.2

2004

7.3

2017

7.5

2013

6.0

2003

6.6

2007

5.1

1997

6.5

2016

0.0

1998

7.4

1948

6.2

2014

7.7

2008

7.4

1974

0.0

2014

7.0

2022

7.0

1991

5.0

1977

6.9

1982

0.0

2003

6.0

1981

8.0