2002

4.5

1990

6.3

2017

7.4

1964

7.1

2019

7.7

2009

6.6

2015

7.9

1952

7.5

2014

7.6

1965

7.4

2010

7.0

1985

5.9

2006

6.4

1944

6.7

2008

6.3

2003

6.4

2013

6.8

1970

6.3

1989

8.4

1998

6.5