2003

7.2

2008

4.9

1976

6.6

2005

7.7

1975

0.0

1952

0.0

2008

5.2

1999

1.0

1954

7.3

1964

6.9

2009

5.2

2007

6.3

1956

7.1

1962

6.2

1999

7.6

1958

6.0

1932

5.4

2010

0.0

1954

0.0

1953

7.5