diff --git a/internal/collector/logical_disk/logical_disk.go b/internal/collector/logical_disk/logical_disk.go
index 6816ec01..fbc25e3e 100644
--- a/internal/collector/logical_disk/logical_disk.go
+++ b/internal/collector/logical_disk/logical_disk.go
@@ -404,7 +404,7 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
 		ch <- prometheus.MustNewConstMetric(
 			c.totalSpace,
 			prometheus.GaugeValue,
-			volume[percentFreeSpace].FirstValue*1024*1024,
+			volume[percentFreeSpace].SecondValue*1024*1024,
 			name,
 		)
 
diff --git a/internal/collector/mssql/mssql_access_methods.go b/internal/collector/mssql/mssql_access_methods.go
index 67a0fdc0..761379c1 100644
--- a/internal/collector/mssql/mssql_access_methods.go
+++ b/internal/collector/mssql/mssql_access_methods.go
@@ -752,7 +752,7 @@ func (c *Collector) collectAccessMethodsInstance(ch chan<- prometheus.Metric, sq
 	ch <- prometheus.MustNewConstMetric(
 		c.accessMethodsWorktablesFromCacheLookups,
 		prometheus.CounterValue,
-		data[accessMethodsWorktablesFromCacheRatioBase].FirstValue,
+		data[accessMethodsWorktablesFromCacheRatioBase].SecondValue,
 		sqlInstance,
 	)
 
diff --git a/internal/collector/mssql/mssql_buffer_manager.go b/internal/collector/mssql/mssql_buffer_manager.go
index 2e3641f3..34e13be7 100644
--- a/internal/collector/mssql/mssql_buffer_manager.go
+++ b/internal/collector/mssql/mssql_buffer_manager.go
@@ -271,7 +271,7 @@ func (c *Collector) collectBufferManagerInstance(ch chan<- prometheus.Metric, sq
 		ch <- prometheus.MustNewConstMetric(
 			c.bufManBuffercachelookups,
 			prometheus.GaugeValue,
-			data[bufManBufferCacheHitRatioBase].FirstValue,
+			data[bufManBufferCacheHitRatioBase].SecondValue,
 			sqlInstance,
 		)
 
diff --git a/internal/collector/mssql/mssql_database.go b/internal/collector/mssql/mssql_database.go
index 44d6ea77..dcdcb797 100644
--- a/internal/collector/mssql/mssql_database.go
+++ b/internal/collector/mssql/mssql_database.go
@@ -559,7 +559,7 @@ func (c *Collector) collectDatabasesInstance(ch chan<- prometheus.Metric, sqlIns
 		ch <- prometheus.MustNewConstMetric(
 			c.databasesLogCacheLookups,
 			prometheus.GaugeValue,
-			data[databasesLogCacheHitRatioBase].FirstValue,
+			data[databasesLogCacheHitRatioBase].SecondValue,
 			sqlInstance, dbName,
 		)
 
diff --git a/internal/collector/mssql/mssql_locks.go b/internal/collector/mssql/mssql_locks.go
index 514b263a..768922b6 100644
--- a/internal/collector/mssql/mssql_locks.go
+++ b/internal/collector/mssql/mssql_locks.go
@@ -130,7 +130,7 @@ func (c *Collector) collectLocksInstance(ch chan<- prometheus.Metric, sqlInstanc
 		ch <- prometheus.MustNewConstMetric(
 			c.locksCount,
 			prometheus.GaugeValue,
-			data[locksAverageWaitTimeMSBase].FirstValue/1000.0,
+			data[locksAverageWaitTimeMSBase].SecondValue/1000.0,
 			sqlInstance, lockResourceName,
 		)
 
diff --git a/internal/perfdata/collector.go b/internal/perfdata/collector.go
index 8e6d14c7..0800854c 100644
--- a/internal/perfdata/collector.go
+++ b/internal/perfdata/collector.go
@@ -211,7 +211,7 @@ func (c *Collector) Collect() (map[string]map[string]CounterValues, error) {
 						values.FirstValue = float64((item.RawValue.FirstValue - WindowsEpoch) / counter.Frequency)
 					case PERF_100NSEC_TIMER, PERF_PRECISION_100NS_TIMER:
 						values.FirstValue = float64(item.RawValue.FirstValue) * TicksToSecondScaleFactor
-					case PERF_AVERAGE_BULK:
+					case PERF_AVERAGE_BULK, PERF_RAW_FRACTION:
 						values.FirstValue = float64(item.RawValue.FirstValue)
 						values.SecondValue = float64(item.RawValue.SecondValue)
 					default: