1982

5.8

2012

9.3

2017

6.0

1993

6.1

1996

7.8

2008

6.8

2019

8.7

1973

7.6

2017

5.9

2024

6.5

1968

6.9

2010

6.3

2023

5.6

2015

6.2

2021

8.2

2015

5.8

2011

6.7

2024

7.3

2004

9.4

2005

9.7