Years US states implemented RSRs
| Year | State |
|---|---|
| 2002 | Wisconsin |
| 2003 | Virginia |
| 2006 | New Jersey |
| 2009 | Washington |
Regulations called RSRs prevent insurance companies from raising prices by large amounts. Researchers Naoki Aizawa and Ami Ko collected data about the years in which various US states implemented RSRs.