TOP 10 CARD ISSUERS' OUTSTANDING BALANCES FOR '91
1. Citicorp; $34 billion
2. Discover; $14.7 billion
3. Chase Manhattan; $10.4 billion
4. MBNA Corporation; $8.2 billion
5. Bank of America; $7.7 billion
6. AmEx Centurion; $7.4 billion
7. First Chicago; $7.2 billion
8. Chemical Bank; $5.9 billion
9. Banc One; $4.4 billion 10. Household Credit Services; $4 billion, Source: Credit Card Management