Heavy Makes You Happy by Bobby Bloom first appeared on the Israeli foreign-music chart on 14 Feb 1971, entering at #20. It peaked at #8 on 4 Apr 1971. In total it spent 9 weeks on the chart, last charting on 11 Apr 1971.
| Wk | Date | Pos |
|---|---|---|
| 1 | 14 Feb 1971 | 20 |
| 2 | 21 Feb 1971 | 18 |
| 3 | 28 Feb 1971 | 15 |
| 4 | 7 Mar 1971 | 14 |
| 5 | 14 Mar 1971 | 14 |
| 6 | 21 Mar 1971 | 13 |
| 7 | 28 Mar 1971 | 10 |
| 8 | 4 Apr 1971 | 8 |
| 9 | 11 Apr 1971 | 13 |