1989

6.4

2001

5.0

1983

5.0

2022

7.5

2003

0.0

1978

5.2

1975

4.7

1993

7.8

1998

7.6

1974

8.0

1983

7.3

1959

7.5

1965

6.1

2011

7.6

2004

8.1

2014

7.1

2013

6.3

2018

7.5

2013

6.8

1994

6.6