Song: "I Really Don't Want To Know"
Artist: Elvis Presley
Peak position on the Cashbox Singles chart: #13
Number of weeks on the Cashbox Singles chart: 13
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| December 26, 1970 | 57 | I Really Don't Want To Know | Elvis Presley | RCA Victor 47-9960 |
| December 26, 1970 | 64 | There Goes My Everything | Elvis Presley | RCA Victor 47-9960b |
| January 2, 1971 | 39 | I Really Don't Want To Know | Elvis Presley | RCA Victor 47-9960 |
| January 2, 1971 | 57 | There Goes My Everything | Elvis Presley | RCA Victor 47-9960b |
| January 9, 1971 | 76 | There Goes My Everything | Elvis Presley | RCA Victor 47-9960b |
| January 9, 1971 | 26 | I Really Don't Want To Know | Elvis Presley | RCA Victor 47-9960 |
| January 16, 1971 | 23 | I Really Don't Want To Know | Elvis Presley | RCA Victor 47-9960 |
| January 23, 1971 | 18 | I Really Don't Want To Know | Elvis Presley | RCA Victor 47-9960 |
| January 30, 1971 | 15 | I Really Don't Want To Know | Elvis Presley | RCA Victor 47-9960 |
| February 6, 1971 | 13 | I Really Don't Want To Know | Elvis Presley | RCA Victor 47-9960 |
| February 13, 1971 | 13 | I Really Don't Want To Know | Elvis Presley | RCA Victor 47-9960 |
| February 20, 1971 | 33 | I Really Don't Want To Know | Elvis Presley | RCA Victor 47-9960 |
| February 27, 1971 | 67 | I Really Don't Want To Know | Elvis Presley | RCA Victor 47-9960 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.