1972

6.9

1972

1.0

1979

2.0

1977

5.6

1996

5.3

2000

6.5

1999

5.9

1955

7.4

1956

7.2

1957

7.2

1967

7.4

2020

6.5

1983

6.6

0.0

2005

7.7

2017

5.8

2013

8.0

1977

4.5

1992

4.7

1989

8.0