1971

5.7

2022

8.2

1968

6.4

1967

6.5

2017

9.0

2017

6.1

2018

7.0

6.1

2013

6.4

1988

3.6

2007

5.0

1995

5.6

2014

5.2

6.2

2008

7.8

2015

4.0

2012

8.9

2025

8.0

1993

5.7