1972

6.6

2017

9.4

2002

4.5

2013

6.1

2001

6.5

2024

6.0

2015

7.3

1993

6.5

2024

6.6

2021

6.6

2001

6.7

2011

6.6

2013

6.8

2009

6.2

2024

7.7

2011

6.2

2005

7.0

2004

6.6

2016

6.9

1953

4.8