Following are the numbers of patents issued for Canadian research and development (R&D) by three sources: Japan Patent Office, European Patent Office, and the U.S. Patent and Trademark Office (Triadic Patent Families). Using these data and a base year of 2005, determine the simple index numbers for each year.

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Triadic Patent Families for Canadian R&D 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 721 668 683 685 672 555 580 527 620 581 553 536