??
2????????????21???,??????????�???????????????????? ?�??????????
???????,????,????????????96%,??????,???????,???�???????????�??????????????????????,??,??????????,?????????????�???�,????�??�???�??????????????�????,?�???�????2????????????,????????????�????????�?????,?????????????,??????,???????(????????? ????)
?????????????:???????????????
?????????
?????????????????:?????????? ?????????????????????