1981

3.2

1981

7.3

1998

6.5

1950

6.8

1972

7.7

2006

5.3

2003

6.3

2000

5.7

2003

4.8

2002

4.7

2019

4.0

2005

6.4

2020

5.1

1969

6.9

1946

7.5

2010

0.0

1980

6.4

1999

5.9

1988

7.1

1982

5.9