2007

6.7

2015

7.1

1959

6.9

2000

6.4

2017

6.6

2004

5.6

1988

0.0

1960

6.1

2014

6.2

2010

5.0

1961

6.0

1984

0.0

2007

7.4

1936

4.7

1978

0.0

1999

0.0

2020

8.2

2002

6.0

2006

0.0

1984

10.0