[1990, ch. 480, § 2; 1996, ch. 476; 1997, ch. 14, § 1; ch. 70, § 4; 1998, chs. 1, 2, 630; 1999, ch. 34, § 1; 2005, ch. 25, § 1; 2009, ch. 60, § 5.]