1968

6.9

1993

6.1

2024

7.4

1985

6.1

1972

6.6

2011

6.2

1988

5.5

2012

6.5

2018

6.5

2011

6.1

2018

6.3

2008

6.3

2023

9.2

2007

6.9

2015

6.7

2024

9.6

2014

7.0

2015

6.6

2012

6.9

2015

6.4