ỷear: 2011
On-year growth (%): 22.3
ỷear: 2012
On-year growth (%): 18.7
ỷear: 2013
On-year growth (%): 12
ỷear: 2014
On-year growth (%): 11.4
ỷear: 2015
On-year growth (%): 12.3
ỷear: 2016
On-year growth (%): 9.4