Any idea how far back the compromised records go? Trying to determine if records from 2005 may have been exposed, but I've moved a number of times since then,

Any idea how far back the compromised records go? Trying to determine if records from 2005 may have been exposed, but I've moved a number of times since then, and I haven't been notified. I presume they would have found me if they wanted to, but wish there was a proactive way for me to inquire.