| Value | Category | Cases | |
|---|---|---|---|
| 1 | only purchase | 134746 |
81.4%
|
| 2 | only home-grown stock | 13909 |
8.4%
|
| 3 | both purchase and home-grown stock | 2071 |
1.3%
|
| 4 | only free collection | 12394 |
7.5%
|
| 9 | others | 2428 |
1.5%
|