Book Trailer for Aldric and Anneliese Now Has 1,000-plus Hits

My book trailer for my latest novel "Aldric and Anneliese", a historical fiction action-adventure love story, has recently received its 1,004-th 'hit'. I never expected that many views. However, despite the large number of viewing for the book's trailer, there has been a paucity of sales for Aldric and Anneliese. Any ideas why that might be? I can tell you the lack of sales is rather disheartening.