Years ended March 31

Index Unit FY2015 FY2016 FY2017*1 FY2018 FY2019
Net sales (Millions of yen) 237,645 259,675 300,233 339,368 364,234
Operating income (loss) (Millions of yen) 17,167 23,557 33,731 42,725 29,645
Operating income (loss) to net sales (%) 7.2 9.1 11.2 12.6 8.1

Profit (loss)attributable to owners of parent

(Millions of yen) 12,122 18,815 24,168 28,507 18,059
Capital expenditures (Millions of yen) 6,658 6,351 8,256 14,428 24,088
R&D expenses (Millions of yen) 13,971 15,166 17,794 20,837 22,825
Basic earnings (loss) per share (Yen) 51.07 396.75*2 511.96*2 608.62 387.10
Total assets (Millions of yen) 249,516 270,093 300,659 365,874 380,915
Net assets (Millions of yen) 111,513 120,288 142,915 170,880 179,133
Equity ratio (%) 44.4 44.3 47.5 46.7 47.0
Return on equity (%) 12.3 16.3 18.4 18.2 10.3
Cash dividends per share (Yen) 7.00 12.00*3 87.00 110.00 97.00

Note:
*1 SCREEN Holdings implemented a one-for-five consolidation of its common stock on October 1, 2016.
*2 Calculated based on the assumption that the above share consolidation had been implemented at the beginning of FY2016.​​​​​​​
*3 The cash dividends per share for FY2016 recalculated to reflect the above share consolidation is ¥60.00.​​​​​​​