Table 1.

Comparing CTAS data base.

Half Year	CTAS1	CTAS2	CTAS3	CTAS4	CTAS5	Total
Aug 2019 to Feb 2020	588	8101	52,415	26,798	10,039	97,941
Aug 2020 to Feb 2021	1730	8709	63,408	18,202	2689	94,738
Change	1.94	0.08	0.21	−0.32	−0.73	−0.03
p value	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001