??????????? upgrade ?? ?????
level-1 (???????, ???????	27.78%	5	27.78%
level-2 (????+??????????)	55.56%	10	55.56%
??? ??? ????? ? 10 ??????? 2 ????? ? 5 ??? ?????level-1, ?? ???????? ?level-2	16.67%	3	16.67%
Total:		3 vote(s)	100%