(From Q1 2017 Interim Report)
Elisa's competitiveness continued to gain strength. The revenue and earnings grew from the previous year. The revenue growth was due to an increase in mobile revenue, the continuous improvement of Elisa's operations and the development of productivity, as well as the Anvia acquisition. Customer satisfaction forms an important part of productivity. The Net Promoter Score of Elisa's consumer customer service has risen by 30 percentage points over the past three years.
The active use of smart phones and the clear product range of subscriptions steer consumers and corporate customers as well as organisations towards a shift to faster mobile broadband subscriptions. Mobile subscription base declined by 23,900 during the quarter due to decrease in prepaid subscriptions. The postpaid base remained unchanged. The fixed network broadband subscription base decreased by 1,500 subscriptions. Customers value the unlimited data pricing model and the quality of Elisa's network.
The download figures of eBooks began to approach the sales figures of paperbacks. More than 650,000 eBooks were downloaded from Elisa Kirja over the past year. Elisa Kirja is Finland's biggest reseller of eBooks. The offering of Elisa Viihde was popular. The new original series Konttori (The Office) had a record start in the Aitio programme library. The second season of the Downshifters series tripled its viewers compared to the first season. In sports, Elisa announced its cooperation with the Finnish Basketball Association and football league Miesten Ykkönen.
We develop and digitalise the operations of business enterprises and organisations. This makes us a strong part of Finnish society. In cooperation with Technopolis, we introduced a new solution that facilitates the mobility of work, providing access to a secure and scalable wireless corporate network outside the office as well. In addition, we introduced the smart car service S-Drive to the market in cooperation with S Group. The new service connects a car and the related corporate ecosystem of other operators supporting motoring to the network. The service collects all data related to driving to an easy-to-use smart phone application.
Elisa made the Nordic countries' first commercial video call in the 700 MHz 4G-network. The new frequency improves mobile broadband coverage particularly indoors. We were the first in Finland to test a cloud-based technology which allows for the flexible transportation of base station capacity. This enables us to provide customers with increasingly fast and reliable connections.
Elisa's employees elected Elisa among Finland's greatest places to work. Elisa is the largest listed company ever in the category of Great Place to Work Finland's large companies, in which it achieved third place. We invest actively in the employment of young people. Together with its subsidiaries and agencies offering temporary workforce, Elisa will hire 250 young people for summer jobs. We are also taking part in the Responsible Summer Job campaign. We also initiated a project called WORD, which aims to draw attention to the passable level of Finnish boys' reading skills. The project aims to discover new and interesting contents and ways to read them.
We focus on the systematic improvement of the customer experience and our operations. Improving our productivity, developing digital services for our customers and maintaining our strong investment ability create a solid foundation for competitive operations in the future.