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 .

Year Ended September 30,
(In millions)
2019
2018
Net cash provided by operating activities
$2,310.2
$1,931.2
Net cash used for investing activities
$(4,579.6)
$(815.1)
Net cash provided by (used for) financing activities
$1,780.2
$(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: Analyse this data from a financial earnings document. what percent did the net cash provided by operations increase between 2018 and 2019?
Choices:
3065.3
0
379.0
37900
530
Correct choice index: 2