2005

4.9

2002

6.2

1972

6.2

1989

0.0

2003

6.6

2017

0.0

2014

6.3

2000

7.4

1930

6.8

1964

5.5

2010

1.8

2004

6.7

1970

3.8

1973

3.4

1973

5.0

1992

7.4

1991

4.0

1999

7.5

1988

7.8

2001

7.4