1981

7.0

2008

5.6

1988

2.0

2000

5.5

2003

7.0

2008

5.3

2018

6.0

2002

7.0

2017

6.0

1993

5.4

1983

6.5

1998

4.9

1999

4.4

1945

7.7

1995

7.7

2005

6.5

2004

5.6

2006

7.1

1991

7.6

2008

7.0