61 	def __add__(self, rhs):  argument
62 		self.aval += rhs.aval
63 		self.bval += rhs.bval
76 	def __add__(self, rhs):  argument
77 		self.ns += rhs.ns
78 		self.migrated += rhs.migrated
79 		self.fscan += rhs.fscan
80 		self.mscan += rhs.mscan
167 	def __add__(self, rhs):  argument
168 		self.ns += rhs.ns
169 		self.val += rhs.val