2003

8.6

6.8

2007

8.2

2016

6.8

1984

5.7

2023

6.1

2001

6.4

2015

6.0

2020

6.2

2019

5.7

0.0

2006

6.7

1991

6.0

5.9

1969

8.3

1996

5.8

2009

5.4

5.8