2015

5.0

2017

5.6

2018

7.6

2023

0.0

0.0

2016

6.4

2008

6.6

1989

6.3

1997

7.4

2006

7.5

1999

7.4

1985

7.0

2024

5.7

2021

6.2

2001

6.4

2007

6.3

2017

6.3

2005

4.9

2009

6.5

2009

6.6