2016

6.3

1984

5.9

2015

6.5

1970

6.2

1980

5.2

1968

0.0

1967

5.0

1980

0.0

2003

6.1

1986

3.0

1970

7.6

1984

6.1

1996

6.0

1974

7.1

1975

0.0

2004

6.2

1996

6.5

1932

6.9

2002

7.2

2002

5.9