Statements of Income - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
REVENUES
Royalty income	$ 15,836,180	$ 5,736,151	$ 52,982,383	$ 15,090,006
Interest	522,027	1,104	522,690	34,397
Total revenues	16,358,207	5,737,255	53,505,073	15,124,403
EXPENSES
Expenses	365,301	610,856	2,182,267	1,710,380
Net income	$ 15,992,906	$ 5,126,399	$ 51,322,806	$ 13,414,023
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING	13,120,010	13,120,010	13,120,010	13,120,010
Net income per unit (Note 2) (in dollars per unit)	$ 1.2190	$ 0.3907	$ 3.9118	$ 1.0224
Distribution declared per unit (Note 3) (in dollars per unit)	$ 1.4200	$ 0.3600	$ 2.4000	$ 0.9700