1945

5.6

1997

2.0

2008

7.3

2008

6.1

2000

6.7

2019

8.1

1996

5.7

1994

6.6

1998

5.7

1933

6.9

1997

7.4

1919

5.0

1996

5.5

2013

5.4

2014

7.5

2005

3.0

2016

6.4

1975

6.3

2026

0.0

1986

6.7