1999

7.4

2003

5.8

1970

4.4

1996

6.6

2002

7.0

2005

6.3

1939

7.6

2001

6.7

1995

1.0

2010

3.9

1988

4.9

1954

8.0

2017

4.7

1970

0.0

1963

5.0

2004

5.6

1987

7.3

2004

7.2

2006

7.0

2004

4.6