2006

4.7

1987

7.2

1954

6.1

2008

7.3

1984

6.6

2017

5.9

2014

6.3

1971

7.5

1964

7.6

1992

7.7

1952

8.1

2001

7.5

1943

2.2

1930

5.0

2019

7.4

2002

7.1

0.0

1987

5.5

1983

4.1

1985

2.9