2007

7.1

1989

6.3

1996

6.1

2006

6.8

1994

8.3

1982

5.2

2017

5.9

1998

0.0

1963

4.3

1955

7.0

1960

6.7

1954

0.0

1958

6.5

1957

6.4

1958

6.7

2006

5.0

1967

7.3

1999

7.3

1993

7.8

2003

6.6