Cumulative sales refers to the total number or value of products or services sold over a specific period of time. It takes into account all the sales made since the beginning, adding up each new sale to the previous total. Full definition
Since its launch in 1987, three generations have been introduced, with cumulative sales of more than 17 million units. (cheersandgears.com)
There have been nine distinct generations, and cumulative sales now exceed five million. (rediff.com)
Since the launch of the first - generation in 1999, the Vitz has achieved cumulative sales in more than 70 countries and regions around the world - including many European countries - exceeding 3.5 million units * 1. (thetorquereport.com)