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