2009

5.7

2004

7.1

1997

5.8

1999

8.5

1998

7.4

2006

7.8

1956

7.6

1999

6.6

1946

8.3

1999

7.6

2006

6.6

2007

6.8

2021

0.0

1999

7.7

2007

6.3

2007

6.9

1988

7.2

2002

6.7

2019

5.9

2008

7.5