2014

5.6

2019

7.6

2003

5.4

2010

7.9

1990

6.9

1987

5.7

2007

7.0

2021

5.7

1981

8.2

2008

5.7

1986

5.8

2015

7.4

2023

6.2

0.0

2002

6.9

2013

6.1

2012

6.3

2017

5.5

2016

6.7

2010

7.0