2012

5.5

2018

6.0

2010

5.3

2017

8.0

2021

5.5

2022

6.6

1984

2.0

2020

6.4

2001

2.0

1978

4.0

1981

5.0

2011

5.2

1984

4.8

2006

7.4

1996

4.0

1981

5.2

2015

7.6

2007

8.2

2000

6.0

2005

5.0