1990

7.0

1999

7.3

1990

7.5

1993

7.8

1996

7.6

1930

5.0

1989

6.9

1962

7.2

2001

7.9

2016

6.3

1988

5.8

1998

6.6

2016

5.9

1933

5.5

2021

6.6

1999

8.0

1939

6.5

1977

7.7

1939

7.9

2019

5.8