pre_text: Disaggregation of revenue To provide visibility into our transition from older products to our newer, higher growth products and clarity into the dynamics of our product revenue, we have historically grouped our products by “Strategic” and “Mature” solutions. Strategic solutions include Clustered ONTAP, branded E-Series, SolidFire, converged and hyper-converged infrastructure, ELAs and other optional add-on software products. Mature solutions include 7-mode ONTAP, add-on hardware and related operating system (OS) software and original equipment manufacturers (OEM) products. Both our Mature and Strategic product lines include a mix of disk, hybrid and all flash storage media. Additionally, we provide a variety of services including software maintenance, hardware maintenance and other services including professional services, global support solutions, and customer education and training. The following table depicts the disaggregation of revenue by our products and services (in millions): Revenues by geographic region are presented in Note 16 – Segment, Geographic, and Significant Customer Information
table: Year Ended
table: April 26, 2019 April 27, 2018 April 28, 2017
table: Product revenues $ 3,755 $  3,525 $  3,060
table: Strategic 2,709 2,468 2,000
table: Mature 1,046 1,057 1,060
table: Software maintenance revenues 946 902 905
table: Hardware maintenance and other services revenues 1,445 1,492 1,526
table: Hardware maintenance support contracts 1,182 1,214 1,258
table: Professional and other services 263 278 268
table: Net revenues $ 6,146 $  5,919 $  5,491
question: Analyse this data from a financial earnings document. What was the change in the company's product revenue between 2017 and 2018?