2003

4.1

2004

7.4

1976

5.5

2002

7.7

2011

8.1

2001

7.7

2013

8.0

2005

7.8

2001

7.9

1990

8.5

2017

6.1

2004

8.0

2022

7.3

1992

6.8

1990

6.3

2007

7.2

2004

7.9

1994

8.3

2016

6.6

2016

7.7