2000

8.1

2018

6.5

2003

7.2

1981

7.1

2006

6.9

2007

6.1

1982

6.9

1985

7.1

1990

5.8

1966

0.0

2023

0.0

2014

6.0

2018

6.0

1976

7.8

1979

7.3

1974

6.4

2005

7.7

1971

5.3

1971

0.0

1972

5.0