1. Still, these averages mask a lot of protectionism for individual sectors. 2. Averages can mask fluctuations, but this year the market has been very consistent. 3. But such averages mask the fact that a few participants were far more successful while others failed to earn extra money. 4. But those averages mask wildly divergent clinic-to-clinic differences. 5. However, that average masks a considerable range. 6. The average masks some harsh realities, however. |