Months	Observed data		Decomposition		Sqrt-deseasonlised		Composite		T-F
Months	Mean	Std. dev	Mean	Std. dev	Mean	Std.dev	Mean	Std.dev	Mean	Std.dev
April	131.84	35.01	93.61	0.67	102.34	2.01	94.39	4.19	71.45	49.02
May	152.43	115.29	94.10	0.08	146.51	0.63	147.30	8.66	159.95	84.11
June	177.01	20.52	92.72	0.06	174.59	0.21	185.62	3.56	174.21	86.32
July	191.46	8.70	108.53	0.07	155.32	2.36	140.53	1.74	147.60	60.72
Aug	155.99	21.41	99.58	0.07	134.72	1.08	145.54	5.13	96.01	33.33
Sept	203.93	33.83	89.96	0.06	206.15	3.31	235.12	2.33	193.85	106.50
Oct	168.46	64.67	96.97	0.06	137.54	1.17	125.88	3.62	114.12	39.18
Nov	19.50	16.63	97.78	0.06	6.51	0.33	13.58	0.83	7.38	6.77
Dec	2.20	3.81	96.12	0.06	1.23	0.01	6.44	0.38	3.55	4.42
Jan	5.36	9.29	98.56	0.06	1.86	0.12	6.54	0.59	8.91	15.43
Feb	0.00	0.00	96.46	0.06	5.12	0.10	10.32	0.61	0.53	0.91
March	25.93	23.62	94.68	0.06	34.72	0.28	43.65	2.26	43.79	28.16