Year

Rate (%)

Changing Rate (%)

2010

2.7

−6.53

2011

2.7

−1.68

2012

2.7

2.54

2013

2.9

5.55

2014

2.9

1.59

2015

2.6

−11.61

2016

2.3

−11.97

2017

2.2

−2.23

2018

2.4

6.79