?? 2? 10?? ????(?? ???): ??? 10? ??????? ??? ? ??? 10? 18??? ????? ??? ??????? ???? ??? ?????, ????? ??? ????? ???? ?? 19.7%, 7.8%, 13.6% ???? ???? ?????? ???? 30% ????? ??.

????? ?? ???? ??? ?? ????. ??? ?? ?????? ??????? ????. ????, ????? ??? ??? ???? ??? ??? ???? ??? ??, ??? ??? ?? ???? ??????? ??? ?? ????. ????? ?????? ??? ????? ???? ? ?? ??(火源)??, ????, ????, ?????? ? ??? ????? ??? ?? ????.