1973

7.1

2003

7.2

2003

6.8

2003

6.5

1995

5.8

2000

6.2

1974

6.2

2000

4.7

1990

5.0

1998

6.7

1998

6.3

1933

6.8

2001

4.3

2016

4.9

2006

2.9

2010

6.3

2019

6.8

2012

7.0

1931

0.0

1966

5.2