2002

6.9

1950

6.8

1988

5.8

2003

6.6

2001

6.8

1987

5.6

2007

6.9

2006

5.1

2013

8.2

2002

6.1

1931

0.0

2001

6.9

1977

7.4

1995

7.3

2018

7.6

1969

1.0

1998

6.4

1932

6.4

1995

7.3

1996

6.7