My Simple Heart by The Three Degrees first appeared on the Israeli foreign-music chart on 21 Jan 1980, entering at #34. It peaked at #6 on 25 Feb 1980. In total it spent 9 weeks on the chart, last charting on 17 Mar 1980.
| Wk | Date | Pos |
|---|---|---|
| 1 | 21 Jan 1980 | 34 |
| 2 | 28 Jan 1980 | 24 |
| 3 | 4 Feb 1980 | 20 |
| 4 | 11 Feb 1980 | 13 |
| 5 | 18 Feb 1980 | 9 |
| 6 | 25 Feb 1980 | 6 |
| 7 | 3 Mar 1980 | 8 |
| 8 | 10 Mar 1980 | 20 |
| 9 | 17 Mar 1980 | 33 |