1972

6.6

2020

6.5

2006

6.9

2008

6.8

2013

6.9

2021

9.2

1985

6.1

2024

6.0

2009

7.3

2011

7.3

2003

7.0

1964

7.4

2006

7.6

2006

6.4

2015

6.7

2011

7.2

7.1

1975

7.1

2023

6.6

2013

6.1