2006

7.0

2002

5.9

2014

7.3

1975

1.0

2018

6.1

2006

5.6

2004

6.9

2005

6.7

2018

4.0

2007

5.7

2013

6.5

1952

7.3

1991

4.9

1934

7.5

1992

3.3

1997

8.0

2001

5.9

1999

5.2

1997

6.1

2000

6.7