Something happened, starting in 2002

From the Economist’s survey of Canada (in the article “Living with number one“):

I wonder what happened starting in 2002?

Update [2005-12-3 12:12:21 by Jerome a Paris]: Via Migeru at ET, from the48er, this great graph:

See also this:

Author: Jerome a Paris

Energy banker based, yes, in Paris, France. Writing about energy, economics, international geopolitics, European and French stuff, and whatever else catches my attention. Very strongly pro-European. Liberal in the US, libéral in France and proud of both.