Help using Base SAS procedures

Problem with Chi-sq

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Problem with Chi-sq

I ran a two choice experiment once a week for 5 weeks. I can do a chi-square analysis per week, but I would like to test whether the response varies from week to week.
Any suggestions?
Here is my data

data pooled;
input date$ A Control;
cards;
Sept25 10 6
Oct2 11 22
Oct9 13 22
Oct16 20 15
Oct23 18 11
;

Cheers,
Erik
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