Can everybody help me, where I can get the documentation about all of bw statistic query and explanation about key figures inside this query?
To have a detailed information about Technical Content and BW Statistics ..
<a href="http://help.sap.com/saphelp_nw04/helpdata/en/e3/e60138fede083de10000009b38f8cf/frameset.htm">BW Statistics</a>
If you have Market Place Id, you could have some wonderful PPT's aswell on this ..
Hope it Helps..