Financial statements

NOTE 18



NET SALES REVENUE

The breakdown of the net sales revenue reported for the year ended 31 December 2017 is as follows:

(Euros) 31/12/17 31/12/16
BILLING TO CUSTOMERS
RESIDENTIAL SOLUTIONS
Residential landline 20.415.468 19.522.266
Residential mobile 14.769.219 13.399.604
CORPORATE SOLUTIONS
Landline solutions 4.252.105 4.255.517
Mobile solutions 1.238.544 1.257.878
Private connections 1.810.447 1.726.446
Hosting and cloud services 745.379 490.670
Other corporate solutions 106.855 202.305
USAGE
Landline usage 3.978.842 4.239.184
Mobile usage 5.373.025 5.948.948
PUBLIC SERVICES 649.401 723.987
INSTITUTIONAL 561.467 799.724
OTHER 71.278 112.347
DIVERSIFICATION 277.550 48.729
TOTAL BILLING TO CUSTOMERS 54.249.580 52.727.605
BILLING TO OPERATORS
Roaming in 39.610.029 49.774.573
Other interconnection services 1.535.030 1.519.392
TOTAL BILLING TO OPERATORS 41.145.059 51.293.965
NET SALES REVENUE 95.394.639 104.021.570