1998

6.5

1980

6.6

2003

5.7

1993

7.3

1997

6.2

1997

5.6

2006

6.3

2005

6.9

2004

7.1

2019

4.8

1956

7.5

1970

7.3

1999

6.8

2008

7.3

1992

0.0

1936

5.8

2022

0.0

1999

5.3

1988

6.7

1985

6.6