2005

5.9

2017

6.2

2022

4.1

1998

7.3

2013

6.7

2009

3.8

2021

6.8

2008

5.6

1992

7.0

2002

6.2

2008

4.5

2013

5.8

1995

7.7

1978

7.5

2009

6.6

2007

6.5

1985

8.3

2008

5.9

2017

3.4

2003

4.7