1995

6.6

2000

7.2

1972

7.3

1972

5.0

1990

0.0

2004

7.9

1960

5.8

2021

6.0

1993

5.7

1994

6.4

1989

0.0

1925

8.0

1957

7.8

1974

7.9

2006

7.0

1931

7.1

2013

6.5

2003

5.8

1952

7.4

2010

6.4