1988

5.7

1980

0.0

1999

7.5

1997

7.0

1993

8.2

1985

6.5

2019

8.0

2022

4.3

1979

7.0

2001

5.6

2015

7.5

2023

4.5

0.0

2006

7.2

2002

6.4

1982

0.0

1983

7.7

2000

8.0

1969

8.3

2006

5.7