"...In 2014, before the oil-price downturn, crude oil alone generated a $70-billion trade surplus for Canada — excluding smaller surpluses in refined petroleum products and natural gas — far outstripping any other export category (the closest is metals and minerals) and helping to offset large, chronic deficits in autos and parts, industrial machinery, electronic goods and consumer products.
...Even at the bottom of the oil-price correction in 2016, crude oil remained the largest positive contributor to Canada’s merchandise trade, generating a $33-billion surplus. In 2017, net oil exports increased again to $46 billion and will likely climb to over $50 billion this year, alongside the recent recovery in West Texas Intermediate (WTI) oil prices to the $70 mark.
....Oil industry tax and royalty revenues have also strengthened the overall fiscal position of governments across Canada, helping to fund social services. In 2016, the latest year for which data is available, Alberta payments to Ottawa were around $22 billion more than it received, amounting to over $5,100 per capita, helping to fund equalization payments to Quebec, the Maritime provinces and Manitoba. Alberta has consistently shared a portion of its resource wealth with the rest of Canada. Per capita, Alberta’s net federal payments are five times bigger than any other province..."