2014

4.4

2013

7.8

2004

5.5

1972

7.8

1978

7.6

2009

7.2

1994

5.9

1975

6.4

2018

7.2

1984

7.5

2003

8.0

1973

7.7

2019

8.5

1952

7.7

1984

7.3

2016

6.8

2003

6.3

1995

8.1

2012

7.0

2004

6.2