2007

7.7

2006

6.4

2021

7.7

2022

6.7

2010

7.1

2016

6.5

2017

6.9

1983

6.2

2014

7.0

1994

6.6

2011

6.6

2015

6.5

2003

5.8

1980

5.7

2011

6.3

2015

7.9

1981

6.0

2021

5.5

2022

7.3

2000

6.6