1994

5.5

2003

6.3

1970

7.5

1950

7.0

1993

7.4

1986

6.4

1977

4.7

1978

7.2

2004

6.0

1995

6.5

2002

5.6

2016

7.2

1994

0.0

1972

7.3

1971

6.7

1972

6.8

1973

6.8

1902

7.9

2001

7.7

1999

5.7