1988

6.3

1994

5.8

2003

6.5

1996

5.7

2002

6.4

1988

0.0

2001

7.0

1996

7.8

1995

7.0

2000

5.9

1993

7.5

2018

10.0

1999

4.5

1999

7.5

1999

7.5

1958

4.6

2007

6.7

1982

0.0

1994

6.1

1987

6.0