1990

6.5

2001

6.5

2006

5.5

2004

7.3

1998

7.3

1997

7.6

1999

7.3

1993

7.8

2003

6.6

2016

2.0

2022

5.0

1961

4.3

1972

6.0

1996

6.4

1945

0.0

1945

5.3

1949

5.0

1973

7.1

1955

6.0

2006

6.5