errorcount-count

Cumulative value of the error count, with error count representing the number of cases where the response code was greater than or equal to 400 

maxtime-count

Longest response time for a request; not a cumulative value, but the largest response time from among the response times 

processingtime-count

Cumulative value of the times taken to process each request, with processing time being the average of request processing times over the request count 

requestcount-count

Cumulative number of the requests processed so far