We do, and they're adding more all the time.
Currently the systems are backed up on tape, and those tapes are stored elsewhere so that they can be restored. But also, we're moving to regional data processing centres where several systems may be collocated, and they have established what they refer to as a hot backup for those systems. So if there were an outage over about five hours, I think it is, they could revert to the hot backup. There are the local tapes; there are the backup, full-redundancy systems; there are also the local measures that they take nightly to queue summaries of information for patients who are in the hospital or have upcoming appointments. Those are stored separately from the mainframe system. And then we also have a read-only system that's available nationwide, should there be an outage, that we can get to in the interim until the hot backup is restored.
Our uptime is pretty high, about 99.5%. But as many experts have said, when you convert to an electronic health record system, it almost needs to be at that Six Sigma level, with close to zero downtime, so it doesn't interrupt patient care. That's the direction we're moving towards, but we're not there yet.