1994

5.5

1965

6.3

2012

4.8

1962

4.7

1993

6.2

1954

8.0

1973

5.1

1974

6.6

1994

3.8

2006

6.7

2008

6.4

2007

7.1

1995

6.5

2003

4.1

1997

6.1

2008

6.2

2017

6.7

1990

6.9

2008

5.4

1995

6.3