Each health insurer, prepaid limited health services organization, and health maintenance organization shall submit, no later than April 1 of each year, to the office information concerning health and accident insurance coverage and medical plans being marketed and currently in force in this state, including information on direct premiums earned, direct losses incurred, number of policies, number of certificates, number of covered lives, and the average number of days taken to pay claims. The office shall analyze the data reported under this subsection and shall annually make available to the department which shall provide to the public a summary of its findings as to the types of cost containment measures reported and the estimated effect of these measures.