-

74%

20 2017 .
   74%
ESA . , , . 2010 $17,5 , 2016 – $24,5 , VR – $30,4 . 74%, , , , . 65 . 67% , 65% , . PC 97%, – 81%, – 48%, 11% – VR-. – 35 . 18 . – , . 27,5%, – 22,5%, – 12,9%. .