1995

5.7

2000

4.7

1973

7.2

1972

4.3

1973

6.0

1985

0.0

1973

4.1

2014

4.0

2002

0.0

2007

2.7

1971

7.1

1977

10.0

1972

8.0

1973

6.9

1983

5.8

2000

2.0

1998

2.0

1973

5.1