1999

6.0

2004

7.3

2013

0.0

1976

0.0

2017

7.0

2020

10.0

2001

4.8

2016

6.9

2003

6.6

1984

7.5

2014

8.4

1973

7.2

2010

0.0

2012

6.7

2016

8.0

2015

6.2

1984

2.0

1938

0.0

2000

6.8

1989

7.2