1998

6.4

1987

0.0

1997

6.6

1985

7.5

2002

6.6

2018

5.9

1996

6.0

1998

6.4

2002

7.3

2014

6.4

2004

7.3

1988

7.8

2003

7.6

1984

5.1

1973

6.2

1994

8.3

1993

7.5

1971

6.4

1977

6.8

1997

7.0