Table 2: Number of results of Search Types 1, 2, and 3, respectively, for Quality Characteristics.

UsabilityFunctionalityAccessibilityReliability

Search Type 111134941
Search Type 25972393173
Search Type 32.11419.7882.2136.515

EfficiencyContinuityMaintainabilityPortability

Search Type 117100
Search Type 2028512
Search Type 33.6231.1771.3081.115