2013

4.2

2007

4.1

1977

6.8

2002

7.6

1999

6.0

2020

7.3

2016

4.3

1982

4.4

2014

5.9

2014

6.7

1979

6.8

2008

5.7

1984

6.1

1976

6.3

2013

6.6

2021

0.0

1977

7.8

2019

6.9

2006

5.7