2014

5.9

1974

6.3

2009

5.3

2013

4.0

2015

6.4

2012

9.7

1975

4.5

2003

6.1

1988

6.2

1977

5.4

2014

5.8

1987

5.5

2024

5.6

5.0

1997

6.2

2007

6.4

1990

5.8

2021

6.2

2020

7.3

2019

7.6