1990

6.0

1997

6.9

2018

1.0

1965

8.1

1973

7.4

2002

6.1

1989

7.9

1970

6.9

2005

6.9

1995

3.0

1992

0.0

1978

0.0

1992

6.8

1974

3.4

2007

1.0

2008

4.7

1993

6.1

2003

5.0

1977

2.0

1969

0.0