1992

7.4

1999

7.5

2006

7.4

1973

5.0

1995

4.7

1930

6.8

2004

6.7

1976

5.7

1982

6.3

1972

3.5

1989

6.7

2002

6.4

1997

4.2

1972

6.2

2004

5.3

1975

0.0

2021

8.5

2002

5.7

1983

6.6

2008

3.2