2019

6.2

1976

7.0

1988

6.1

1992

7.8

2008

0.0

2005

7.3

2005

6.3

2006

6.1

2016

2.0

2014

6.3

1988

6.3

1956

5.6

2005

6.6

2004

4.7

2001

6.8

2008

6.5

1986

6.3

2000

6.0

1992

7.4

1976

7.2