Please use this official data to analyze it.
http://news.gc.ca/web/article-en.do?nid=985229
When C-6 implements around 2017, the inventory will suddenly reverse as if C-24 has never happened. So the inventory will suddenly increase from 150,0000 to above 650,000. Considering even with steady increase to 650,000, waiting time becomes at least 35 months. You can image with this sudden inventory increase, waiting time will suddenly increase by how much. If you have some computer science knowledge, you can understand the queue management and the impact of incoming burst.