@property<EOL><INDENT>def sp_sum_values(self):<DEDENT>
if self.values is None:<EOL><INDENT>ret = IdValues()<EOL><DEDENT>else:<EOL><INDENT>ret = IdValues({k: sum(int(x) for x in v.values()) for k, v in<EOL>self.values.items()})<EOL><DEDENT>return ret<EOL>
return sp level values

input:
"values": {
    "spa": {
        "19": "385",
        "18": "0",
        "20": "0",
        "17": "0",
        "16": "0"
    },
    "spb": {
        "19": "101",
        "18": "101",
        "20": "101",
        "17": "101",
        "16": "101"
    }
},

return:
"values": {
    "spa": 385,
    "spb": 505
},