1976

7.9

1997

6.9

1972

7.0

1983

4.3

1988

6.3

1989

5.0

1962

7.9

2000

6.7

2008

6.4

2004

5.8

2022

4.0

2003

6.7

2023

6.0

2017

0.0

2007

6.0

1995

7.3

2008

6.6

1963

7.6

1954

7.1

2008

0.0