2010

6.6

2002

6.0

2000

6.3

1953

6.0

1998

7.2

2005

7.0

2001

6.6

2011

5.2

1974

5.7

1975

6.3

1989

7.0

2005

5.9

2013

6.9

1970

7.1

2007

7.9

1967

5.4

1934

0.0

2019

4.7

1996

3.7

1974

5.9