1989

7.1

1997

7.6

2005

6.8

1954

7.1

2000

7.3

2008

6.2

1988

5.6

1993

6.4

1942

6.1

2016

8.4

1930

6.2

2005

7.8

1990

7.1

1985

5.0

1998

7.4

1994

6.7

2006

7.0

2022

5.9

1925

4.8

2002

6.2