If I Say Yes by Five Star first appeared on the Israeli foreign-music chart on 21 Dec 1986, entering at #24. It peaked at #6 on 18 Jan 1987. In total it spent 7 weeks on the chart, last charting on 1 Feb 1987.
| Wk | Date | Pos |
|---|---|---|
| 1 | 21 Dec 1986 | 24 |
| 2 | 28 Dec 1986 | 19 |
| 3 | 4 Jan 1987 | 15 |
| 4 | 11 Jan 1987 | 9 |
| 5 | 18 Jan 1987 | 6 |
| 6 | 25 Jan 1987 | 16 |
| 7 | 1 Feb 1987 | 27 |