Google finance chart, from February 15th, 2013 up to February 8th, 2018 total growth 90.12% that's doubling your money every six years. Average bank shown on red line. These products arrived in 1961 to Canada, the reason most people don't know about them is the must be from a certified Licensed financial planner, banks do not have access to these, and staff hasn't taken the years of study.