First of all, it's important to understand that, however you come across the border, the perimeter and the quarantine and all the pre-arrival requirements apply. You still have to have a PCR test; you still have a day-one test on arrival; you still get a day eight test; you still have quarantine requirements.
In terms of the pure GAA phenomenon, the reality is that we have 117 land ports of entry and there just simply isn't the hotel infrastructure available to potentially service all those who would cross the land border to put them in a GAA-type situation. From that perspective, we've been relying on our perimeter controls to great effect.