1955

7.2

1951

5.2

2008

6.8

1991

7.9

1992

7.4

1978

0.0

1981

0.0

1985

0.0

1960

4.7

2002

7.1

1996

6.9

1966

0.0

1949

6.6

1966

0.0

2019

7.5

2014

6.8

1983

0.0

1989

6.1

2015

5.8

1933

6.2