1989

6.0

1927

5.6

2013

8.1

2007

6.9

1976

6.7

2013

7.0

2011

6.2

2000

5.5

2015

5.2

2013

5.9

2014

8.5

2016

6.8

2012

6.4

2003

5.8

2015

6.0

2013

6.8

2014

5.4

2022

10.0