1955

7.3

2003

6.2

1951

5.2

2006

5.4

2016

4.7

0.0

1982

5.6

0.0

1950

8.1

2000

8.2

2015

4.5

1999

5.3

1983

8.0

1978

7.5

0.0

1978

5.9

1974

5.3

1960

6.0

2018

7.4

1997

4.4