Sec. 4. A health maintenance organization licensed before July 1, 1994, must maintain a net worth equal to the following:
(1) Twenty-five percent (25%) of the amount required under section 3 of this chapter by December 31, 1994.
(2) Fifty percent (50%) of the amount required under section 3 of this chapter by December 31, 1995.
(3) Seventy-five percent (75%) of the amount required under section 3 of this chapter by December 31, 1996.
(4) One hundred percent (100%) of the amount required under section 3 of this chapter by December 31, 1997.