JBOSS 4.2.2.GA
When many clients using one of my beans i get this results in JMX MBean View ... max is 30, cutrrent is 123, why?

List of MBean attributes:
Name Type Access Value Description
InvokeStats org.jboss.ejb3.statistics.InvocationStatistics R MBean Attribute.
AvailableCount int R 30 MBean Attribute.
MaxSize int R 30 MBean Attribute.
CurrentSize int R 123 MBean Attribute.
CreateCount int R 123 MBean Attribute.
RemoveCount int R 0 MBean Attribute.