1950

6.8

2008

5.7

2009

5.3

2010

9.0

1949

0.0

1989

1.0

1995

4.3

2021

5.5

1939

7.5

1986

7.6

2006

5.6

1995

8.4

1998

6.6

1931

8.1

2000

8.1

2004

7.2

1951

7.7

1958

7.4

1993

5.5

2005

7.0