1998

0.0

2019

8.5

2016

0.0

2017

0.0

2004

6.4

2005

4.7

1962

7.0

1999

8.2

1996

5.5

1982

7.5

2004

7.6

1999

7.9

2003

7.0

2006

0.0

1987

7.4

2000

7.3

1994

8.3

1999

7.6

2001

7.2

2000

7.5