pre_text: 3.2 Capital risk management The Group’s objectives on managing capital are to safeguard the Group’s ability to continue as a going concern and support the sustainable growth of the Group in order to provide returns for shareholders and benefits for other stakeholders and to maintain an optimal capital structure to enhance shareholders’ value in the long term. Capital refers to equity and external debts (including borrowings and notes payable). In order to maintain or adjust the capital structure, the Group may adjust the amount of dividends paid to shareholders, return capital to shareholders, issue new shares, repurchase the Company’s shares or raise/repay debts. The Group monitors capital by regularly reviewing debts to adjusted earnings before interest, tax, depreciation and amortisation (“EBITDA”) (Note) ratio, being the measure of the Group’s ability to pay off all debts that reflects financial health and liquidity position. The total debts/adjusted EBITDA ratio calculated by dividing the total debts by adjusted EBITDA is as follows: Note: Adjusted EBITDA represents operating profit less interest income and other gains/(losses), net, and adding back depreciation of property, plant and equipment, investment properties as well as right-of-use assets, amortisation of intangible assets and equitysettled share-based compensation expenses.
table: As at 31 December
table: 2019 2018
table: RMB’Million RMB’Million
table: Borrowings (Note 35) 126,952 114,271
table: Notes payable (Note 36) 93,861 65,018
table: Total debts 220,813 179,289
table: Adjusted EBITDA (Note) 147,395 118,273
table: Total debts/Adjusted EBITDA ratio 1.50 1.52
question: Analyse this data from a financial earnings document. How much did notes payable change from 2018 year end to 2019 year end?