?????:????????????????

????:?????:???????????

??????????????????????????1??16?? (???????????????? ?????????)????????16??????????????????????,?????,??????????????

???????????23?????2900?????,?????,?????????,????

?????????????????100???????????????????????????,43%????????????????,??????????????????37%??????????20%????????????????????,?21%?

??,?????????????????,????????????????,??????????????????????,?????????????????????,?,???????????,?????????????????,??????100????,53%???

??,????50??,?????????33%???????50%????????????

???????????????,????????????????,?????????????????????????????,?,???(????????) ????????????:???????????