1995

6.1

1998

8.2

2002

7.7

1985

6.7

2019

7.7

1979

6.8

1993

7.0

1987

7.7

1992

5.9

1984

7.5

1991

6.6

2005

3.0

1988

6.8

2005

4.4

1992

6.0

1997

6.0