1993

5.8

1983

6.5

2002

5.2

1987

7.5

2002

6.3

1939

7.9

1982

7.1

1988

6.7

1952

6.7

1989

7.0

6.6

1992

6.7

1980

6.6

1993

8.6

2016

5.9

2004

6.7

2019

5.8

1974

7.4

1990

6.1

1982

7.6