(Added to NRS by 1967, 1038; A 1971, 765; 1975, 673; 1977, 1422; 1981, 677, 1073; 1983, 563, 1333; 1985, 2134; 1987, 1780; 1989, 1392; 1991, 798, 925, 1405, 1837, 2263, 2269; 1993, 829; 1995, 756, 1496; 1997, 1117, 3314, 3319, 3497; 2001, 897, 3079; 2003, 1170; 2003, 20th Special Session, 3; 2005, 716; 2009, 274)