1994

5.6

1984

7.6

1989

5.9

1993

7.1

1996

6.3

1997

6.3

1993

6.4

1968

7.1

1990

5.5

1987

6.0

1980

7.2

1993

5.0

2016

0.0

1993

6.4

1994

6.0

1992

6.6

1996

3.6

1981

6.7

1989

5.0

1991

6.8

1991

6.1

1998

6.2

1993

7.5

1990

8.3

1993

4.0

1980

5.5