1989

8.0

1999

7.4

2010

5.0

1998

7.1

2005

7.2

2003

5.5

1977

6.6

1989

7.4

1991

0.0

2014

5.3

2024

10.0

1994

7.0

0.0

2007

9.0

1967

7.7

1997

7.4

2006

7.0

1973

5.9

2014

5.2

2014

0.0