{????????? ??? ???????????? making use of ??????????? ???????? ???? ?????? ??? ??????? ??????? ????? ????????? |?????? ?????????? ?? ?????????? ???? ????????? ??????????????-?????? ???????????? ?????? ??? Older people ???? 50 percent ??? ??????? ?????????? ?????????? ??????? ??????????? ????????????????? ???????????????????? ????????????? ????? ???