diff --git a/src/main/java/edu/tamu/scholars/middleware/discovery/response/DiscoveryQuantityDistribution.java b/src/main/java/edu/tamu/scholars/middleware/discovery/response/DiscoveryQuantityDistribution.java
index e8190b58b..3b6843d7b 100644
--- a/src/main/java/edu/tamu/scholars/middleware/discovery/response/DiscoveryQuantityDistribution.java
+++ b/src/main/java/edu/tamu/scholars/middleware/discovery/response/DiscoveryQuantityDistribution.java
@@ -17,10 +17,13 @@ public class DiscoveryQuantityDistribution {
 
     private final List<Slice> distribution;
 
+    private Long total;
+
     private DiscoveryQuantityDistribution(String label, String field) {
         this.label = label;
         this.field = field;
         this.distribution = new ArrayList<>();
+        this.total = 0L;
     }
 
     public String getLabel() {
@@ -35,18 +38,26 @@ public List<Slice> getDistribution() {
         return distribution;
     }
 
+    public Long getTotal() {
+        return total;
+    }
+
     public void parse(QueryResponse response) {
-        response.getFacetField(field)
+        response
+            .getFacetField(field)
             .getValues()
             .stream()
             .sorted(new Comparator<Count>() {
 
-            @Override
-            public int compare(Count o1, Count o2) {
-                return Long.compare(o2.getCount(), o1.getCount());
-            }
+                @Override
+                public int compare(Count o1, Count o2) {
+                    return Long.compare(o2.getCount(), o1.getCount());
+                }
 
-        }).forEach(value -> distribution.add(new Slice(value.getName(), value.getCount())));
+            }).forEach(value -> {
+                distribution.add(new Slice(value.getName(), value.getCount()));
+                total += value.getCount();
+            });
     }
 
     public static DiscoveryQuantityDistribution from(DiscoveryQuantityDistributionDescriptor quantityDistributionDescriptor) {
diff --git a/src/main/java/edu/tamu/scholars/middleware/discovery/response/DiscoveryResearchAge.java b/src/main/java/edu/tamu/scholars/middleware/discovery/response/DiscoveryResearchAge.java
index d7943af9e..c6d86fa1d 100644
--- a/src/main/java/edu/tamu/scholars/middleware/discovery/response/DiscoveryResearchAge.java
+++ b/src/main/java/edu/tamu/scholars/middleware/discovery/response/DiscoveryResearchAge.java
@@ -2,12 +2,12 @@
 
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.stream.Collectors;
 
 import org.apache.solr.common.SolrDocument;
 import org.apache.solr.common.SolrDocumentList;
@@ -97,6 +97,8 @@ public void from(DiscoveryResearchAgeDescriptor researcherAgeDescriptor, SolrDoc
 
         });
 
+        Collections.sort(groups, new AgeGroupComparator());
+
         this.mean = results.size() > 0 ? sum.get() / results.size() : 0;
         this.median = results.size() > 0 ? DateUtility.ageInYearsFromEpochSecond((long) results.get(results.size() / 2).getFieldValue(ageField)) : 0;
     }
@@ -114,15 +116,7 @@ public Map<String, String> getRanges() {
     }
 
     public List<AgeGroup> getGroups() {
-        // NOTE: sorting on serialization in response
-        return groups.stream().sorted(new Comparator<AgeGroup>() {
-
-            @Override
-            public int compare(AgeGroup o1, AgeGroup o2) {
-                return o1.getIndex().compareTo(o2.getIndex());
-            }
-            
-        }).collect(Collectors.toList());
+        return groups;
     }
 
     public double getMean() {
@@ -157,4 +151,13 @@ public Integer getValue() {
         }
     }
 
+    private class AgeGroupComparator implements Comparator<AgeGroup> {
+
+        @Override
+        public int compare(AgeGroup o1, AgeGroup o2) {
+            return o1.getIndex().compareTo(o2.getIndex());
+        }
+
+    }
+
 }
diff --git a/src/main/java/edu/tamu/scholars/middleware/export/utility/FilenameUtility.java b/src/main/java/edu/tamu/scholars/middleware/export/utility/FilenameUtility.java
index d25bbc5f4..1d5a2bca4 100644
--- a/src/main/java/edu/tamu/scholars/middleware/export/utility/FilenameUtility.java
+++ b/src/main/java/edu/tamu/scholars/middleware/export/utility/FilenameUtility.java
@@ -3,6 +3,7 @@
 import java.util.Date;
 import java.util.Locale;
 
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.context.i18n.LocaleContextHolder;
 
 import edu.tamu.scholars.middleware.discovery.model.AbstractIndexDocument;
@@ -11,7 +12,6 @@
 
 public class FilenameUtility {
 
-    private final static String SPACE = " ";
     private final static String UNDERSCORE = "_";
 
     private FilenameUtility() {
@@ -33,7 +33,7 @@ public static String normalizeExportFilename(Individual individual) {
     private static String localizeWhileUnderscoreReplaceSpaceWithUnderscore(String value) {
         Locale locale = LocaleContextHolder.getLocale();
         return value.toLowerCase(locale)
-            .replace(SPACE, UNDERSCORE);
+            .replace(StringUtils.SPACE, UNDERSCORE);
     }
 
     private static String prefixWithTimestampAfterUnderscore(String value) {
diff --git a/src/main/resources/banner.txt b/src/main/resources/banner.txt
index 846c48a5e..871c5ba44 100644
--- a/src/main/resources/banner.txt
+++ b/src/main/resources/banner.txt
@@ -1,5 +1,5 @@
   ___     _        _             
  / __| __| |_  ___| |__ _ _ _ ___
- \__ \/ _| ' \/ _ \ / _` | '_(_-<
+ \__ \/ _| ' \/ _ \ / _` | '_/_-<
  |___/\__|_||_\___/_\__,_|_| /__/
                                  
\ No newline at end of file