2015

4.4

2019

4.9

1999

4.3

1996

6.9

2006

4.8

1995

6.2

2013

3.3

2008

4.2

2016

4.3

1978

6.3

1961

6.6

2024

5.9

1977

6.1

1981

6.9

1991

5.9

1903

6.3

0.0

2010

7.0

2009

5.3

2007

6.0