1950

8.1

1985

7.1

1958

7.1

2018

4.8

2024

6.0

2006

7.5

1961

5.4

1977

6.3

1999

4.8

2007

5.9

1973

0.0

1981

0.0

1955

6.6

2008

7.6

2013

5.2

1980

5.0

1990

6.9

2006

5.5

1998

6.3

1988

0.0