2012

6.0

2020

5.8

2009

7.4

1986

5.7

2014

5.6

1976

5.9

1970

4.6

2019

6.2

1998

5.1

1991

6.0

2018

6.3

2023

6.3

1988

5.5

2015

7.5

2011

5.5

1987

5.5

2018

5.9

1961

6.9

2015

7.3

1999

5.1