Activists in the U.S. and Canada have long railed against the environmental footprint left by Alberta's oilsands.

None of it has stopped an increasing volume of oil from flowing south.

A GIF created by cost information website HowMuch.net shows just how much America has come to depend on crude oil imports from the Great White North over the past 15 years.

The map shows U.S. total crude oil imports and other products growing from 661 million total barrels in 2005 to 1.37 billion barrels in 2015. And the trend has come as the United States has depended less and less on imports from the Middle East.

The chart shows imports from Saudi Arabia falling from 561 million barrels in 2005 to 386 million barrels last year.

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HowMuch.net came up with its GIF to demonstrate that, though the U.S. has taken up an effort to produce its own oil through methods such as fracking, "total energy independence is still a long way off."

But it also shows what an important energy partner Canada is.