| Year | Sales (in millions of units) |
| 1950 | 189 |
| 1951 | 199 |
| 1952 | 214 |
| 1953 | 219 |
| 1954 | 213 |
| 1955 | 277 |
| 1956 | 377 |
| 1957 | 460 |
| 1958 | 511 |
| 1959 | 603 |
| 1960 | 600 |
| 1961 | 640 |
| 1962 | 687 |
The volume of records sold climbed from 277 million in 1955 to 511 million in 1958. Moreover, the majors lost control of the market. Whereas fifty-one (78%) of the Billboard top ten records in 1955 were released by the majors, only thirty-eight (49%) came from the majors in 1958.
Market Share of Top Ten Billboard Hits
| Year | 1955 | 1956 | 1957 | 1958 | 1959 | |||||
| N | % | N | % | N | % | N | % | N | % | |
| Majors | 40 | 78 | 36 | 65.5 | 30 | 43 | 38 | 49 | 30 | 34 |
| Indies | 11 | 22 | 19 | 34.5 | 40 | 57 | 39 | 51 | 59 | 66 |
| TOTAL | 51 | 100 | 55 | 100 | 70 | 100 | 77 | 100 | 89 | 100 |