2016

4.5

2019

7.6

2014

5.6

2010

7.9

2009

6.3

2002

6.9

2010

7.3

2014

5.9

1962

7.7

2009

7.9

1954

7.0

1975

7.8

1996

8.0

2017

5.5

1988

6.7

1999

7.2

2009

7.5

1901

7.1

2016

9.7

1989

7.1