Perhaps your filter combination returns no records? Do all the years returned include current year? Check the Verify filter check box on the filter and try again. Take a look at this document to learn about Verify filter and other filter parameters: How to Create Static and Dynamic Filters Based on Fields
That is exactly what I expected. Sales_Year = Year(now()) returns no values. Now I would try to figure out why. What happens if you use a hard coded value (2016) instead of Year(Now())? I will also check the load script to see how Sales_Year is defined. If you upload a simple QVW someone can take a look.