2015

5.5

1995

7.6

2005

6.3

2004

5.7

1970

8.0

2003

9.0

1971

6.0

1970

10.0

1986

8.0

1974

0.0

1976

7.0

1972

9.2

2011

7.2

1976

8.0

1996

7.8