1983

7.1

2001

7.0

1984

7.7

2016

0.0

2004

7.0

1986

6.6

1981

6.0

1992

4.3

2022

1.0

2019

7.0

1999

8.2

2003

7.1

2003

6.7

2012

7.5

2022

0.0

1988

5.0

0.0

1968

8.1

1982

7.9

1979

6.5