Usage - Property in wmi

List of namespaces with Usage property

NameSpace	n of Classes
ROOT\CIMV2	4
ROOT\CIMV2\storage\iscsitarget	2
ROOT\Cli	1
ROOT\Cli\MS_409	1
ROOT\Microsoft\Windows\FSRM	1
ROOT\Microsoft\Windows\Storage	3
ROOT\Microsoft\Windows\Storage\MS_409	3
ROOT\Microsoft\Windows\Storage\providers_v2	6
ROOT\Microsoft\Windows\Storage\SM	2
ROOT\Microsoft\Windows\Storage\SM\ms_409	2
ROOT\MSCluster	1
ROOT\MSCluster\ms_409	1