2009

5.6

2020

6.4

2019

6.5

1994

6.2

1985

6.1

2013

7.7

2003

6.8

2011

6.4

1972

6.3

2010

6.2

2011

5.7

2006

6.7

2015

6.3

1992

7.4

2017

5.9

2023

6.7

2023

6.5

2006

6.8

2010

6.8

1991

6.2