Is the revenue mix % by period showing any trends from 2015-2019? Why is this happening?

Revenues Cineplex generates revenues primarily from box office and food service sales. These revenues are affected primarily by theatre attendance levels and by changes in BPP and CPP. Box office revenues represented 42.4% of revenues in 2019 and continues to represent Cineplex's largest revenue component. Revenue mix % by period 2019 2018 2017 2016 2015 Box office 42.4% 44.9% 46.2% 49.8% 53.3% Food service 29.0% 29.5% 28.5% 28.8% 30.5% Media 11.8% 10.1% 10.8% 11.3% 11.2% Amusement 13.7% 12.8% 11.9% 7.6% 2.2% Other 3.1% 2.7% 2.6% 2.5% 2.8% Total 100.0% 100.0% 100.0% 100.0% 100.0% Cineplex has three reportable segments, film entertainment and content, media and amusement and leisure. The reportable segments are business units offering differing products and services and managed separately due to their distinct natures. These three reportable segments have been determined by Cineplex's chief operating decision makers. Revenue mix % by year Year to date 2019 2018 Film Entertainment and Content 72.8% 75.5% Media 11.8% 10.0% Amusement and Leisure 15.4% 14.5% Total 100.0% 100.0%