2009

5.5

1959

8.1

1991

5.3

2010

6.6

1993

6.6

2002

6.7

2000

4.9

2020

7.4

1933

7.6

2015

6.0

2006

7.4

2009

6.1

2005

7.0

1990

5.5

2011

7.1

1998

5.7

1999

7.5

1998

6.0

1995

7.7

1988

6.3