1951

6.1

2014

5.3

2018

10.0

1989

6.7

1983

5.5

2017

5.2

2014

5.8

1957

5.0

2000

5.1

2019

7.5

2007

6.8

2010

7.3

2002

3.5

2009

5.5

1938

5.5

1941

6.3

2012

7.8

0.0

1968

0.0

2019

6.5