Discuss and give a detailed explanation about the company's cash flow from 2019 to 2021.

12 months ended: Jan 31, 2021 Jan 31, 2020 Jan 31, 2019 Consolidated net income 13,706 15,201 7,179 Depreciation and amortization 11,152 10,987 10,678 (8,589) (1,886) Net unrealized and realized (gains) and losses 3,516 8,401 15 4,850 Losses on disposal of business operations Asda pension contribution (1,036) Deferred income taxes 1,911 320 (499) Loss on extinguishment of debt Other operating activities 1,521 1,981 1,734 Receivables, net (1,086) 154 (368) Inventories (2,395) (300) (1,311) Accounts payable 6,966 (274) 1,831 Accrued liabilities 4,623 186 183 Accrued income taxes (136) (93) (40) 7,972 (327) 295 Changes in certain assets and liabilities, net of effects of acquisitions and dispositions Adjustments to reconcile consolidated net income to net cash provided by operating activities 22,368 10,054 20,574 Net cash provided by operating activities 36,074 25,255 27,753 Payments for property and equipment (10,264) (10,705) (10,344) 215 321 519 Proceeds from the disposal of property and equipment 56 833 876 Proceeds from the disposal of certain operations Purchase of available for sale securities - - Payments for business acquisitions, net of cash acquired (180) (56) (14,656) Other investing activities 102 479 (431) Net cash used in investing activities (10,071) (24,036) (9,128) (4,656) Net change in short-term borrowings (324) (53) Proceeds from issuance of long-term debt 5,492 15,872 Repayments of long-term debt (5,382) (1,907) (3,784) Premiums paid to extinguish debt Dividends paid (6,048) Purchase of Company stock (6,116) (2,625) (434) (5,717) (555) (6,102) (7,410) (431) Dividends paid to noncontrolling interest Purchase of noncontrolling interest Other financing activities (1,236) (908) Net cash used in financing activities (16,117) (14,299) (629) (2,537) (438) 235 (69) Effect of exchange rates on cash, cash equivalents and restricted cash 10,121 e 1,759 742 e Net increase (decrease) in cash, cash equivalents and restricted cash (1,848) Cash and cash equivalents reclassified as assets held for sale 9,515 7,756 7,014 Cash, cash equivalents and restricted cash at beginning of year 17,788 9,515 7,756 Cash, cash equivalents and restricted cash at end of period 12 months ended: Jan 31, 2021 Jan 31, 2020 Jan 31, 2019 Consolidated net income 13,706 15,201 7,179 Depreciation and amortization 11,152 10,987 10,678 (8,589) (1,886) Net unrealized and realized (gains) and losses 3,516 8,401 15 4,850 Losses on disposal of business operations Asda pension contribution (1,036) Deferred income taxes 1,911 320 (499) Loss on extinguishment of debt Other operating activities 1,521 1,981 1,734 Receivables, net (1,086) 154 (368) Inventories (2,395) (300) (1,311) Accounts payable 6,966 (274) 1,831 Accrued liabilities 4,623 186 183 Accrued income taxes (136) (93) (40) 7,972 (327) 295 Changes in certain assets and liabilities, net of effects of acquisitions and dispositions Adjustments to reconcile consolidated net income to net cash provided by operating activities 22,368 10,054 20,574 Net cash provided by operating activities 36,074 25,255 27,753 Payments for property and equipment (10,264) (10,705) (10,344) 215 321 519 Proceeds from the disposal of property and equipment 56 833 876 Proceeds from the disposal of certain operations Purchase of available for sale securities - - Payments for business acquisitions, net of cash acquired (180) (56) (14,656) Other investing activities 102 479 (431) Net cash used in investing activities (10,071) (24,036) (9,128) (4,656) Net change in short-term borrowings (324) (53) Proceeds from issuance of long-term debt 5,492 15,872 Repayments of long-term debt (5,382) (1,907) (3,784) Premiums paid to extinguish debt Dividends paid (6,048) Purchase of Company stock (6,116) (2,625) (434) (5,717) (555) (6,102) (7,410) (431) Dividends paid to noncontrolling interest Purchase of noncontrolling interest Other financing activities (1,236) (908) Net cash used in financing activities (16,117) (14,299) (629) (2,537) (438) 235 (69) Effect of exchange rates on cash, cash equivalents and restricted cash 10,121 e 1,759 742 e Net increase (decrease) in cash, cash equivalents and restricted cash (1,848) Cash and cash equivalents reclassified as assets held for sale 9,515 7,756 7,014 Cash, cash equivalents and restricted cash at beginning of year 17,788 9,515 7,756 Cash, cash equivalents and restricted cash at end of period