1966

7.9

1986

7.0

1983

6.7

2009

0.0

2019

10.0

1989

4.4

1957

5.9

1995

7.3

1972

6.5

0.0

1978

0.0

1969

6.8

1977

6.6

1957

6.4

2011

5.7

1999

3.3

1978

6.4

1926

0.0

1939

5.6

2014

0.0