1989

6.3

2009

0.0

1995

6.6

2003

7.6

1993

7.2

1969

1.0

2011

6.7

1944

7.6

2017

6.5

1997

7.8

2021

5.0

1988

7.7

2014

6.3

2016

4.6

2015

3.0

2013

7.0

0.0

2017

6.9

1998

6.6

2010

5.5