2017

6.3

2015

4.0

2016

7.2

1995

6.6

2020

3.7

2005

4.6

1992

6.1

2010

10.0

2013

4.3

2002

6.7

1985

7.7

1944

7.0

1984

7.1

1987

7.3

2014

6.0

2016

6.5

2022

5.9

2005

5.9

2002

6.0

2005

6.3