1990

6.6

2014

5.0

1992

4.7

1957

4.0

1981

0.0

1977

5.6

1979

2.0

2006

7.0

1955

7.4

1956

7.2

2017

7.2

1973

2.5

2019

7.0

0.0

1969

4.1

1987

0.0

2014

7.0

2017

6.0

1989

0.0

2009

5.8