Flauctuating number of Internal Equity-Passing Links affecting DA

[TMI]

My site has a high number of  fluctuating internal equity passing links in open site explorer from month to month, theses range from 30 000 and sometimes as high as 1,million. The fluctuations occur even when I have made no changes onsite. I have noticed that when the internal equity passing links are very high the DA drops and when they are low the DA is high, has anyone ever experienced this with open site explorer ?