| Value | Category | Cases | |
|---|---|---|---|
| 0 | The price has decreased | 11 |
15.3%
|
| 1 | The price has remained unchanged | 9 |
12.5%
|
| 2 | The price has increased | 52 |
72.2%
|
| -9 | 17 | ||
| -7 | 44 |