1996

7.0

1988

5.7

2006

5.0

2009

8.0

1999

7.6

1997

7.5

1978

7.3

2018

0.0

2001

5.6

1972

0.0

1985

6.3

1969

8.3

2003

6.6

2003

4.8

0.0

0.0

1995

5.5

2022

7.7

2023

6.9

2006

7.4