Source. 1935, 124:2. 1939, 95:1. 1941, 126:9. RL 242:3. 1943, 191:1. 1945, 168:1. 1949, 268:1. 1953, 245:1. RSA 208:2. 1955, 264:1. 1961, 254:1. 1963, 298:1. 1965, 304:1. 1971, 90:1. 1973, 348:1. 1975, 112:1. 1979, 104:1. 1981, 108:1. 1983, 5:1. 1985, 8:1. 1987, 63:1. 1989, 88:1. 1991, 76:1. 1996, 108:4. 2007, 220:7, VIII, eff. July 1, 2007.