2019

7.7

2016

5.9

1978

6.7

1995

10.0

1994

7.8

1987

6.4

1976

5.9

1976

6.0

1985

7.5

1991

3.3

1991

8.0

2008

5.3

1992

3.0

1992

6.3

1988

6.3