credit facilities .as such , our foreign cash and cash equivalents are not expected to be a key source of liquidity to our domestic operations .at september 30 , 2019 , we had approximately $ 2.9 billion of availability under our committed credit facilities , primarily under our revolving credit facility , the majority of which matures on july 1 , 2022 .this liquidity may be used to provide for ongoing working capital needs and for other general corporate purposes , including acquisitions , dividends and stock repurchases .certain restrictive covenants govern our maximum availability under the credit facilities .we test and report our compliance with these covenants as required and we were in compliance with all of these covenants at september 30 , 2019 .at september 30 , 2019 , we had $ 129.8 million of outstanding letters of credit not drawn cash and cash equivalents were $ 151.6 million at september 30 , 2019 and $ 636.8 million at september 30 , 2018 .we used a significant portion of the cash and cash equivalents on hand at september 30 , 2018 in connection with the closing of the kapstone acquisition .primarily all of the cash and cash equivalents at september 30 , 2019 were held outside of the u.s .at september 30 , 2019 , total debt was $ 10063.4 million , $ 561.1 million of which was current .at september 30 , 2018 , total debt was $ 6415.2 million , $ 740.7 million of which was current .the increase in debt was primarily related to the kapstone acquisition .cash flow activity .
[['( in millions )', 'year ended september 30 , 2019', 'year ended september 30 , 2018'], ['net cash provided by operating activities', '$ 2310.2', '$ 1931.2'], ['net cash used for investing activities', '$ -4579.6 ( 4579.6 )', '$ -815.1 ( 815.1 )'], ['net cash provided by ( used for ) financing activities', '$ 1780.2', '$ -755.1 ( 755.1 )']]
net cash provided by operating activities during fiscal 2019 increased $ 379.0 million from fiscal 2018 primarily due to higher cash earnings and a $ 340.3 million net decrease in the use of working capital compared to the prior year .as a result of the retrospective adoption of asu 2016-15 and asu 2016-18 ( each as hereinafter defined ) as discussed in 201cnote 1 .description of business and summary of significant accounting policies 201d of the notes to consolidated financial statements , net cash provided by operating activities for fiscal 2018 was reduced by $ 489.7 million and cash provided by investing activities increased $ 483.8 million , primarily for the change in classification of proceeds received for beneficial interests obtained for transferring trade receivables in securitization transactions .net cash used for investing activities of $ 4579.6 million in fiscal 2019 consisted primarily of $ 3374.2 million for cash paid for the purchase of businesses , net of cash acquired ( excluding the assumption of debt ) , primarily related to the kapstone acquisition , and $ 1369.1 million for capital expenditures that were partially offset by $ 119.1 million of proceeds from the sale of property , plant and equipment primarily related to the sale of our atlanta beverage facility , $ 33.2 million of proceeds from corporate owned life insurance benefits and $ 25.5 million of proceeds from property , plant and equipment insurance proceeds related to the panama city , fl mill .net cash used for investing activities of $ 815.1 million in fiscal 2018 consisted primarily of $ 999.9 million for capital expenditures , $ 239.9 million for cash paid for the purchase of businesses , net of cash acquired primarily related to the plymouth acquisition and the schl fcter acquisition , and $ 108.0 million for an investment in grupo gondi .these investments were partially offset by $ 461.6 million of cash receipts on sold trade receivables as a result of the adoption of asu 2016-15 , $ 24.0 million of proceeds from the sale of certain affiliates as well as our solid waste management brokerage services business and $ 23.3 million of proceeds from the sale of property , plant and equipment .in fiscal 2019 , net cash provided by financing activities of $ 1780.2 million consisted primarily of a net increase in debt of $ 2314.6 million , primarily related to the kapstone acquisition and partially offset by cash dividends paid to stockholders of $ 467.9 million and purchases of common stock of $ 88.6 million .in fiscal 2018 , net cash used for financing activities of $ 755.1 million consisted primarily of cash dividends paid to stockholders of $ 440.9 million and purchases of common stock of $ 195.1 million and net repayments of debt of $ 120.1 million. .

Question: what percent did the net cash provided by operations increase between 2018 and 2019?
Answer: 19.63%