| 1982 | |
| The Board of Nursing obtained a new computer, able to generate annual statistics. That year there were 1,146 Certified Nurse Practitioners (CNP). | |
| 1989 | |
| Licensed Nurse Practitioners (LNP) | 1,759 |
| 1999 | |
| LNPs | 3,804 |
| LNPs with prescriptive authority | 1,571 |
| 2009 | |
| LNPs | 5,524 |
| LNPs with prescriptive authority | 3,203 |
| 2019 | |
| LNPs | 8,285 |
| LNPs with prescriptive authority | 7,417 |