Su canción by Betty Missiego first appeared on the Israeli foreign-music chart on 9 Apr 1979, entering at #16. It peaked at #14 on 16 Apr 1979. In total it spent 5 weeks on the chart, last charting on 7 May 1979.
| Wk | Date | Pos |
|---|---|---|
| 1 | 9 Apr 1979 | 16 |
| 2 | 16 Apr 1979 | 14 |
| 3 | 23 Apr 1979 | 17 |
| 4 | 30 Apr 1979 | 23 |
| 5 | 7 May 1979 | 30 |