pre_text: Trade accounts receivable past due is defined as the amount outstanding beyond normal credit terms and conditions for the respective customers. A large portion of the Corporation’s customers are billed and pay before the services are rendered. The Corporation considers the amount outstanding at the due date as trade accounts receivable past due. The following table provides further details on trade accounts receivable past due net of allowance for doubtful accounts at August 31, 2019 and 2018:
table: At August 31, 2019 2018
table: (In thousands of Canadian dollars) $ $
table: Less than 60 days past due 18,645 32,857
table: 60 to 90 days past due 899 3,022
table: More than 90 days past due 3,074 4,923
table: 22,618 40,802
question: Analyse this data from a financial earnings document. What was the average trade accounts receivable 60 to 90 days past due?