2007

5.3

1977

4.6

2021

0.0

1986

4.8

1992

6.1

1973

4.7

1968

6.4

1972

6.3

1973

6.6

2008

4.4

1989

6.0

1987

4.0

1996

1.0

2013

5.0

1988

5.4

1974

5.7

1936

5.9

1970

4.9

2009

3.9

2009

7.1