2015

7.3

2019

3.0

2004

7.0

2000

3.5

2003

0.0

2000

6.4

1975

8.8

2010

7.1

2009

0.0

1967

6.8

2015

7.5

2013

6.5

2009

4.9

2004

5.7

1964

0.0

2002

6.0

1959

5.0

2017

4.4

2014

0.0

1997

1.0