2014

6.9

1995

7.6

2002

7.1

2008

2.0

2008

1.5

2009

6.1

1977

7.3

2019

7.8

2016

0.0

1964

0.0

2005

7.4

1976

4.7

2018

5.6

1975

5.8

1996

8.0

1928

0.0

2008

6.0

1954

6.3

2007

6.1

2006

7.8