2015

6.7

2015

6.9

1976

6.5

1961

7.8

1994

4.8

1982

6.8

2010

7.2

1932

7.3

2014

6.6

1959

7.7

1972

7.9

2018

7.1

2015

7.7

2015

7.2

1988

5.9

2016

7.1

2014

5.8

2009

5.0

1990

6.5

2015

7.2