Table 2.

Initial fitted result based on the BP model.

Month	Year
	2015	2016	2017	2018	2019
January	4227	5054	5456	5888	5967
February	4227	4549	4549	5588	5751
March	4448	4849	4991	5128	5581
April	4415	5055	5054	5555	6695
May	4535	4549	4549	5283	4968
June	4677	4828	5008	5709	5575
July	4777	5040	5054	5134	6116
August	5052	5629	5942	6364	6773
September	4959	5089	5551	5756	5992
October	4549	4952	5129	5582	6067
November	4923	5265	5575	5980	6299
December	5298	5313	5761	6004	6818