1993

7.4

1953

6.9

1992

7.7

2001

7.4

1979

8.1

2018

6.1

1988

5.0

2005

7.1

1991

0.0

2003

7.1

2000

6.1

1987

5.6

1990

6.3

1998

7.3

1971

5.7

2017

6.0

1991

3.8

1967

5.3

1966

0.0

1976

6.2