2002

6.9

1950

6.8

1988

5.8

1995

7.3

1987

5.6

2001

6.8

1969

1.0

2003

6.6

2018

7.6

1977

7.4

2000

7.1

1972

6.2

1945

6.9

2017

4.9

1998

0.0

2009

6.7

1985

0.0

1934

6.7

1931

6.0

2000

5.4