2008

6.4

2016

4.4

1967

6.6

1969

6.6

1990

7.0

2014

6.2

2005

4.5

1977

6.8

2005

7.8

1997

6.6

1990

6.7

2001

4.4

2006

6.4

2007

5.5

2023

8.0

2005

3.7

2018

6.1

2004

4.7

2016

3.2

2007

7.0