1984

6.0

1982

6.5

2015

6.0

1996

0.0

1981

0.0

2002

6.0

2000

4.7

1980

7.0

1991

6.8

1990

7.7

1955

8.4

2013

5.9

1984

5.9

1997

6.1

1976

0.0

2011

6.6

1989

4.5

2018

9.0

2005

7.1

2001

6.5