1950

6.8

2008

5.7

2009

5.3

1949

0.0

2009

0.0

1989

1.0

2021

5.5

2005

6.7

1986

7.6

2006

5.6

1995

8.4

2000

8.1

2004

7.2

1958

7.4

1993

5.5

2005

7.0

2002

7.6

1924

7.4

2002

6.3

2003

7.2