2011

6.6

1986

5.8

10.0

1972

6.6

2014

5.9

2025

4.4

2010

5.5

1996

9.5

1994

4.7

2014

7.0

2014

7.0

1994

6.2

2010

7.0

2012

5.1

2003

5.9

2002

6.5

2017

6.0