In 2001, as I described in my paper, the industry withdrew. It slowly came back, but the costs are still quite high and it's difficult for the air industry participants to obtain this insurance at a reasonable rate.
The other factor is that this has been going along with the royal prerogative—I think it's been renewed about 10 times—and there's pressure to stabilize it and come up with a longer term solution that allows the minister, if needed, to act on fairly short notice.