Given these challenges, we have been forced to contrive our own baselines, and this despite the fact that we claim no special expertise in making long-term projections. Our basic rule, therefore, has been minimalism. We have avoiding making up numbers wherever we possibly could, and have rather relied as heavily as possible on existing, widely known and well vetted projections for all key indicators, which we’ve done by updating these projections for the recent history that has transpired since they were published