1972

6.3

2002

6.0

1999

0.0

2000

5.8

1993

10.0

1997

1.0

1979

4.8

2018

5.7

1987

5.5

1974

6.8

1993

0.0

2006

6.5

1998

5.0

1972

0.0

1958

0.0

1993

6.0

1989

6.4

1986

6.2

1972

8.0

1973

5.1

2015

0.0

2010

6.7

1982

2.0

2002

4.1

2001

5.8