2014

6.5

2015

7.9

2009

7.5

2007

5.7

1985

5.9

2021

7.5

2019

10.0

1979

5.2

1967

4.6

2014

8.0

1978

4.1

1975

6.5

2014

7.6

1924

6.0

2006

8.4

2017

5.9

2015

0.0

1943

5.0