1976

7.0

2021

7.2

1975

6.3

2015

6.7

2001

8.4

1952

7.1

2006

6.9

2013

6.0

1993

6.6

1994

7.1

2011

7.0

1977

7.3

2021

7.8

2013

6.7

2014

7.5

2009

8.3

2013

7.1

2017

5.0

0.0