Using the Cumulative Option

Cumulative implies increasing by successive addition. When you generate an analytic report, the Cumulative option is available as an additional option in the area under Search Criteria. This option is available only for analytics that specify the greater than condition

The cumulative condition can be applied as an absolute value or as a percentage.
Show all commodities whose spend is cumulatively greater than $2 million. Here, the search value is an absolute number that is $2 million.
Show all commodities whose spend is cumulatively greater than 20% of total spend. Here, the search value is a percentage of the total measure (spend).