TRENDS OVER THE TRIAL PERIOD Use of reusables before and during the trial, and previous year. The graph shows usage of reusable cups before and during the trial period at the test stores, the control stores and the British company-owned market as a whole and covering the same period in the previous year. The trial ran from fiscal week 22-34.
Test stores
Control group
Market
Test stores FY17
Control group FY17
Market FY17
7.0% 6.0% 5.0% 4.0% 3.0% 2.0% 1.0% 0.0% 15
30
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Results