Song: "You Know That I Love You"
Artist: Santana
Peak position on the Cashbox Singles chart: #33
Number of weeks on the Cashbox Singles chart: 12
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| November 24, 1979 | 83 | You Know That I Love You | Santana | Columbia 11144 |
| December 1, 1979 | 73 | You Know That I Love You | Santana | Columbia 11144 |
| December 8, 1979 | 63 | You Know That I Love You | Santana | Columbia 11144 |
| December 15, 1979 | 54 | You Know That I Love You | Santana | Columbia 11144 |
| December 22, 1979 | 48 | You Know That I Love You | Santana | Columbia 11144 |
| December 29, 1979 | 43 | You Know That I Love You | Santana | Columbia 11144 |
| January 5, 1980 | 43 | You Know That I Love You | Santana | Columbia 11144 |
| January 12, 1980 | 39 | You Know That I Love You | Santana | Columbia 11144 |
| January 19, 1980 | 35 | You Know That I Love You | Santana | Columbia 11144 |
| January 26, 1980 | 33 | You Know That I Love You | Santana | Columbia 11144 |
| February 2, 1980 | 44 | You Know That I Love You | Santana | Columbia 11144 |
| February 9, 1980 | 54 | You Know That I Love You | Santana | Columbia 11144 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.