I Will by Ruby Winters first appeared on the Israeli foreign-music chart on 15 Jan 1978, entering at #19. It peaked at #5 on 5 Feb 1978. In total it spent 7 weeks on the chart, last charting on 26 Feb 1978.
| Wk | Date | Pos |
|---|---|---|
| 1 | 15 Jan 1978 | 19 |
| 2 | 22 Jan 1978 | 12 |
| 3 | 29 Jan 1978 | 8 |
| 4 | 5 Feb 1978 | 5 |
| 5 | 12 Feb 1978 | 7 |
| 6 | 19 Feb 1978 | 12 |
| 7 | 26 Feb 1978 | 19 |