http://www.tc.gc.ca/aviation/activep...e.asp?x_lang=e
last 407 exported is 5378 ( assume 378 total production)
427 IS 56036 ( assume 36 total production).
18 entries in US register for 427 .
http://www.tc.gc.ca/aviation/activep...e.asp?x_lang=e
for table by month.