2004

7.1

1994

7.5

1990

7.5

1993

7.8

1996

7.6

1995

5.9

1930

5.0

1962

7.2

2016

6.3

2005

7.0

1999

8.0

1980

7.3

1998

6.6

1939

6.5

2019

5.8

1996

0.0

1993

7.2

1987

7.3

1989

7.0

1992

6.7