1967

7.3

2004

8.0

2001

5.8

2002

6.7

1990

7.2

1989

5.8

2006

6.7

1987

7.4

1998

6.4

1995

0.0

1990

6.6

2007

5.8

2016

9.2

2000

0.0

1976

7.4

1986

7.9

1966

7.3

2001

6.6

1999

8.4

1966

6.4