1999

7.5

2007

6.6

2018

10.0

1998

7.2

1984

6.1

2021

0.0

1994

8.4

1980

0.0

2006

0.0

1977

5.5

1955

0.0

2003

2.0

2006

6.8

2004

7.7

1993

6.8

2003

7.6

2002

5.9

2009

7.6

2014

7.2

2008

6.0