1999

3.6

1954

0.0

1963

4.6

1997

5.7

1966

4.7

1991

1.0

2009

6.0

2001

3.8

1971

3.5

1999

1.0

1982

5.3

1997

5.1

1972

2.5

1998

8.0

1970

3.0

1978

5.2

1971

1.0

2011

7.0

2017

5.8

1981

5.0