2016

7.6

2017

8.1

2009

8.0

2012

7.8

2004

7.9

2019

1.8

2006

8.2

2023

6.8

1992

6.4

2014

7.8

1992

5.9

1982

4.3

1978

4.2

2017

7.7

1989

8.3

2017

8.4

2003

7.2

1990

7.9

1993

8.1

2006

7.0

2018

4.4