What was the change in Net cash provided from operating activities in 2019 from 2018?
{"Net cash provided from operating activities": {"2019": 232.4, "2018": 209.2, "2017": 130.3}, "Purchases of property, plant, equipment and software": {"2019": -180.3, "2018": -135.0, "2017": -98.5}, "Acquisition of businesses, net of cash acquired": {"2019": -79.0, "2018": -13.3, "2017": -35.3}, "Proceeds from divestiture of business": {"2019": "\u2014", "2018": "\u2014", "2017": 12.0}, "Proceeds from disposals of property, plant and equipment and assets held for sale": {"2019": 0.4, "2018": 1.9, "2017": 2.5}, "Proceeds from note receivable from sale of equity method investment": {"2019": "\u2014", "2018": 6.3, "2017": 6.3}, "Proceeds from insurance recovery": {"2019": 11.4, "2018": "\u2014", "2017": "\u2014"}, "Dividends paid": {"2019": -38.6, "2018": -34.4, "2017": -34.1}, "Free cash flow": {"2019": -53.7, "2018": 34.7, "2017": -16.8}}
net_cash_2019 = df["Net cash provided from operating activities"]["2019"]
net_cash_2018 = df["Net cash provided from operating activities"]["2018"]
answer = net_cash_2019 - net_cash_2018