The number of violent crimes in town fell 29 percent during the first six months of this year compared with the same period last year, according to report released by the Police Department. There were no murders or rapes reported this year, but four robberies and 76 assaults were reported, for a total of 80 violent crimes, the report said. During the same period last year there were no murders but one rape, 15 robberies and 97 assaults reported, for a total of 113 incidents. Police also reported that property crimes, including burglary, larceny, and motor vehicle thefts, were down from a total of 369 incidents in the first half of last year to 328 for the same period this year. And while the department's officers issued 13,474 moving violations to motorists this year, up 3 percent from the 13,073 during the first half of last year, the number of parking tickets dropped from last year’s 73,573 to 62,324 during the first six months this year. Full story for BostonGlobe.com subscribers.