Song: "My Sharona"
Artist: Knack
Peak position on the Cashbox Singles chart: #1
Number of weeks on the Cashbox Singles chart: 25
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| June 23, 1979 | 83 | My Sharona | Knack | Capitol 4731 |
| June 30, 1979 | 70 | My Sharona | Knack | Capitol 4731 |
| July 7, 1979 | 59 | My Sharona | Knack | Capitol 4731 |
| July 14, 1979 | 40 | My Sharona | Knack | Capitol 4731 |
| July 21, 1979 | 29 | My Sharona | Knack | Capitol 4731 |
| July 28, 1979 | 18 | My Sharona | Knack | Capitol 4731 |
| August 4, 1979 | 8 | My Sharona | Knack | Capitol 4731 |
| August 11, 1979 | 3 | My Sharona | Knack | Capitol 4731 |
| August 18, 1979 | 1 | My Sharona | Knack | Capitol 4731 |
| August 25, 1979 | 1 | My Sharona | Knack | Capitol 4731 |
| September 1, 1979 | 1 | My Sharona | Knack | Capitol 4731 |
| September 8, 1979 | 1 | My Sharona | Knack | Capitol 4731 |
| September 15, 1979 | 1 | My Sharona | Knack | Capitol 4731 |
| September 22, 1979 | 1 | My Sharona | Knack | Capitol 4731 |
| September 29, 1979 | 2 | My Sharona | Knack | Capitol 4731 |
| October 6, 1979 | 3 | My Sharona | Knack | Capitol 4731 |
| October 13, 1979 | 5 | My Sharona | Knack | Capitol 4731 |
| October 20, 1979 | 6 | My Sharona | Knack | Capitol 4731 |
| October 27, 1979 | 9 | My Sharona | Knack | Capitol 4731 |
| November 3, 1979 | 13 | My Sharona | Knack | Capitol 4731 |
| November 10, 1979 | 17 | My Sharona | Knack | Capitol 4731 |
| November 17, 1979 | 22 | My Sharona | Knack | Capitol 4731 |
| November 24, 1979 | 45 | My Sharona | Knack | Capitol 4731 |
| December 1, 1979 | 54 | My Sharona | Knack | Capitol 4731 |
| December 8, 1979 | 77 | My Sharona | Knack | Capitol 4731 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.