As of 2002, 20 insured banks had $4.1 billion in assets. The 1997 Idaho Savings Bank Act permitted state-chartered savings banks in Idaho, repealing the Savings and Loan Act. The Idaho Department of Finance's Financial Institutions Bureau regulates and supervises Idaho's state-chartered commercial banks, savings banks, credit unions, trust companies, and bank holding companies. The personal bankruptcy rate increased by 5.4% during the year ending September 2002, 20% higher than the national average. Idaho's insured institutions increased their profitability during 2001/02, as the median return on average assets (ROA) ratio (the measure of earnings in relation to all resources) rose, although by a lower percentage than that of nationwide insured institutions. The fact that 45% of all Idaho-based insured banks are under nine years old adversely affected Idaho's banking performance compared with that of the nation.