| Harvest year | Number of CORs | Total pounds* |
|---|---|---|
| 1985–86 | n/a | 298,035 |
| 1986–87 | n/a | 1,887,300 |
| 1987–88 | n/a | 7,012,775 |
| 1988–89 | n/a | 6,806,415 |
| 1989–90 | n/a | 10,268,232 |
| 1990–91 | n/a | 8,927,818 |
| 1991–92 | 26 | 13,532,797 |
| 1992–93 | 20 | 10,172,399 |
| 1993–94 | 18 | 8,864,092 |
| 1994–95 | 29 | 6,485,954 |
| 1995–96 | 63 | 14,749,596 |
| 1996–97 | 79 | 14,679,498 |
| 1997–98 | 79 | 6,113,695 |
| 1998–99 | 79 | 4,606,352 |
| 1999–2000 | 79 | 2,631,853 |
| 2000–01 | 79 | 19,963,087 |
| 2001–02 | 79 | 18,287,569 |
| 2002–03 | 79 | 25,729,490 |
| 2003–04 | 79 | 5,007,709 |
| 2004–05 | 79 | 6,821,167 |
| 2005–06 | 79 | 9,716,700 |
| 2006–07 | 79 | 17,344,187 |
| 2007–08 | 79 | 14,817,210 |
| 2008–09 | 79 | 19,646,933 |
| 2009–10 | 79 | 19,830,451 |
| 2010–11 | 79 | 24,423,031 |
| 2011–12 | 79 | 20,030,610 |
| 2012–13 | 79 | 28,825,109 |
| 2013–14 | 79 | 32,070,464 |
| 2014–15 | 79 | 26,227,664 |
| 2015–16 | 79 | 26,505,250 |
| 2016–17 | 79 | 33,139,017 |
| 2017–18 | 79 | 35,124,642 |
| 2018–19 | 79 | 33,444,500 |
| 2019–20 | 79 | 47,043,796 |
*Total pounds of raw biomass harvested as reported by the harvest companies. Raw biomass includes cysts, empty shells, brine shrimp, algae, and other material. Yield of dry, processed cysts from the raw biomass varies annually.
CORs = Certificates of Registration and are analogous to harvesting permits. CORs were not issued until 1991.
The data presented here are from an unpublished internal report of the Division of Wildlife Resources and have not been verified for accuracy.