2020

6.5

6.4

2008

6.5

2007

10.0

1953

4.8

1988

7.6

2012

5.3

2014

7.0

2017

6.6

2013

6.1

2009

5.9

1967

6.6

1969

4.7

2003

6.2

2024

7.2

6.2

2015

7.0

1986

6.2

2011

5.9

1989

5.8