1949

7.7

1971

4.0

2002

6.5

2002

5.8

1981

6.5

2001

0.0

1944

7.2

1987

6.4

1995

6.1

1993

6.0

2020

6.6

1921

6.6

1990

1.0

1976

4.3

1988

2.0

2009

5.9

1998

2.0

2015

3.0

2023

6.4

2009

6.0