A 2012 effort to reform the state’s “no-fault” auto insurance system has halted the growth of fraud in the system, according to a new state report, but the numbers released Monday are still considered too preliminary to show the full impact of the law. The report by the Office of Insurance Regulation found that since the law (HB 119) went into place on Jan. 1, 2013, there has been a drop in the number of personal-injury protection claims filed and dollars sought.