2007

7.1

2014

6.3

5.8

2015

6.9

1983

7.3

1993

6.6

2013

8.0

2011

7.4

2020

7.6

2022

7.7

2018

6.8

2018

8.4

1982

5.1

1989

7.8

2004

8.3

2003

8.2

2009

8.1

2020

7.2

1996

5.4

2018

7.4