@property
def mxact(self):
    mxact = 0
    for kper in list(self.__data.keys()):
        mxact = max(mxact, self.get_itmp(kper))
    return mxact
@property
def mxact(self):
    mxact = 0
    for kper in list(self.__data.keys()):
        mxact = max(mxact, self.get_itmp(kper))
    return mxact