Selected financial data of the Group

millions of €
    Q1 2017 Q1 2016 Change % FY 2016
Revenue and earnings          
Net revenue   18,646 17,630 5.8 % 73,095
Of which: domestic % 32.7 34.5   33.7
Of which: international % 67.3 65.5   66.3
Profit from operations (EBIT)   2,771 4,525 (38.8) % 9,164
Net profit (loss)   747 3,125 (76.1) % 2,675
Net profit (loss) (adjusted for special factors)   939 1,047 (10.3) % 4,114
EBITDA   5,963 7,667 (22.2) % 22,544
EBITDA (adjusted for special factors)   5,550 5,163 7.5 % 21,420
EBITDA margin (adjusted for special factors) % 29.8 29.3   29.3
Earnings per share basic/diluted 0.16 0.68 (76.5) % 0.58
Statement of financial position          
Total assets   148,624 143,605 3.5 % 148,485
Shareholders’ equity   39,818 38,444 3.6 % 38,845
Equity ratio % 26.8 26.8   26.2
Net debt   49,963 47,603 5.0 % 49,959
Cash flows          
Net cash from operating activities   4,355 3,496 24.6 % 15,533
Cash capex   (3,280) (3,896) 15.8 % (13,640)
Free cash flow (before dividend payments and spectrum investment)   1,228 822 49.4 % 4,939
Net cash used in investing activities   (3,491) (3,738) 6.6 % (13,608)
Net cash from (used in) financing activities   980 828 18.4 % (1,322)

NUMBER OF FIXED-NETWORK AND MOBILE CUSTOMERS

millions
  Mar. 31, 2017 Dec. 31, 2016 Change
Mar. 31, 2017/
Dec. 31, 2016
 %
Mar. 31, 2016 Change
Mar. 31, 2017/
Mar. 31, 2016
 %
Mobile customers 165.8 165.0 0.5 % 158.4 4.7 %
Fixed-network lines 28.3 28.5 (0.7) % 28.8 (1.7) %
Broadband lines a 18.6 18.5 0.5 % 18.0 3.3 %
 
a Excluding wholesale.

The key parameters used by Deutsche Telekom are defined in the section “Management of the Group” (2016 Annual Report). The figures shown in this report were rounded in accordance with standard business rounding principles. As a result, the total indicated may not be equal to the precise sum of the individual figures.