1995

4.1

1956

0.0

1996

6.7

2000

6.3

1998

5.6

2001

5.0

1984

6.4

1998

6.6

1999

5.9

2001

5.8

1998

5.3

1982

7.3

1994

5.1

2002

6.7

1993

6.0

1995

6.0

1997

8.6

1947

0.0

2000

5.8

2002

4.8