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CONSOLIDATED STATEMENTS OF CASH FLOWS - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Cash flows from operating activities |  |  |
Cash generated from operations | ₩ 103,572 | ₩ 81,735 | ₩ 37,220
Interest received | 995 | 1,122 | 1,605
Interest paid | (111) | (186) | (277)
Income taxes paid | (30,273) | (12,815) | (12,177)
Net cash inflow from operating activities | 74,183 | 69,856 | 26,371
Cash flows from investing activities |  |  |
Increase in net short‑term financial instruments | (77,000) | (31,500) | (30,000)
Increase in other non-current financial assets | (1,289) | (856) | (274)
Proceeds from disposal of property and equipment | 14 | 3 | 71
Proceeds from disposal of intangible assets | 15 | 0 | 20
Purchase of property and equipment | (1,747) | (1,071) | (983)
Purchase of intangible assets | (2,464) | (2,625) | (1,360)
Net cash outflow in investing activities | (82,471) | (36,049) | (32,526)
Cash flows from financing activities |  |  |
Proceeds from capital contribution from non-controlling interests | 353 | 362 | 359
Repayment of lease liabilities | (3,648) | (2,893) | (2,034)
Payment of share issuance costs | (11) | (16) | (11)
Net cash outflow in financing activities | (3,306) | (2,547) | (1,686)
Effect of exchange rate changes on cash and cash equivalents | 67 | (56) | 1,218
Net increase (decrease) in cash and cash equivalents | (11,527) | 31,204 | (6,623)
Cash and cash equivalents at beginning of the year | 110,632 | 79,428 | 86,051
Cash and cash equivalents at end of the year | ₩ 99,105 | ₩ 110,632 | ₩ 79,428

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