diff --git a/perf-site-replication.go b/perf-site-replication.go
index b5a148c..23f4773 100644
--- a/perf-site-replication.go
+++ b/perf-site-replication.go
@@ -29,13 +29,14 @@ import (
 
 // SiteNetPerfNodeResult  - stats from each server
 type SiteNetPerfNodeResult struct {
-	Endpoint        string        `json:"endpoint"`
-	TX              uint64        `json:"tx"` // transfer rate in bytes
-	TXTotalDuration time.Duration `json:"txTotalDuration"`
-	RX              uint64        `json:"rx"` // received rate in bytes
-	RXTotalDuration time.Duration `json:"rxTotalDuration"`
-	TotalConn       uint64        `json:"totalConn"`
-	Error           string        `json:"error,omitempty"`
+	Endpoint             string        `json:"endpoint"`
+	TX                   uint64        `json:"tx"` // transfer rate in bytes
+	TXTotalDuration      time.Duration `json:"txTotalDuration"`
+	TXTotalSpentDuration time.Duration `json:"txTotalSpentDuration"`
+	RX                   uint64        `json:"rx"` // received rate in bytes
+	RXTotalDuration      time.Duration `json:"rxTotalDuration"`
+	TotalConn            uint64        `json:"totalConn"`
+	Error                string        `json:"error,omitempty"`
 }
 
 // SiteNetPerfResult  - aggregate results from all servers