Smaller institutions rely more on net interest income for their revenue.
Median Net Interest Income in 2005 as a Percent of Net Operating Revenue *
Size of institution Median 2005 (Percent)
Assets < $1Bil. 86.41114983
Assets $1Bil.-$10Bil. 80.76655853
Assets > $10 Bil. 68.61155802

* Net operating revenue = net interest income plus total noninterest income.
Source: FDIC