diff --git a/lib/github/buckets.rb b/lib/github/buckets.rb
index 30f3f6e..daa20c2 100644
--- a/lib/github/buckets.rb
+++ b/lib/github/buckets.rb
@@ -51,7 +51,7 @@ def all_external
     def all_external_percent
       return 0 unless all.any?
 
-      ((all_external.size.to_f / all_humans.size) * 100).to_i
+      ((all_external.size.to_f / all_humans.size) * 100).round(1)
     end
 
     def percent
diff --git a/lib/github/maintainers.rb b/lib/github/maintainers.rb
index 2fc18ce..cda6a43 100644
--- a/lib/github/maintainers.rb
+++ b/lib/github/maintainers.rb
@@ -21,13 +21,13 @@ def buckets
     def all_external
       ALL_EXTERNAL.map do |bucket|
         buckets[bucket]
-      end.flatten.compact.uniq
+      end.flatten.compact
     end
 
     def all_external_unique_percent
       return 0 unless unique_count
 
-      ((all_external_unique_count.to_f / unique_count) * 100).to_i
+      ((all_external_unique_count.to_f / unique_count) * 100).round(1)
     end
 
     def unique_count
diff --git a/lib/github/repos.rb b/lib/github/repos.rb
index fd8c027..9eb845d 100644
--- a/lib/github/repos.rb
+++ b/lib/github/repos.rb
@@ -19,11 +19,11 @@ def unarchived
 
     def maintainers(dt = nil)
       @maintainers ||= begin
-        all = Set.new
+        all = []
         each do |repo|
           maintainers = repo.maintainers(dt)
           maintainers&.each do |user|
-            all.add(user)
+            all << user
           end
         end
         GitHub::Maintainers.new(all.to_a)
@@ -66,7 +66,7 @@ def all_external_maintained_size
     def all_external_maintainers_percent
       return 0 unless any?
 
-      (all_external_maintained_size.to_f * 100 / size).to_i
+      (all_external_maintained_size.to_f * 100 / size).round(1)
     end
   end
 end
diff --git a/spec/project/commands/pr_spec.rb b/spec/project/commands/pr_spec.rb
index cf90b0e..7ffd639 100644
--- a/spec/project/commands/pr_spec.rb
+++ b/spec/project/commands/pr_spec.rb
@@ -7,22 +7,22 @@
   context 'stats' do
     it 'returns contributors' do
       output = `"#{project}" --no-cache --vcr-cassette-name=search/RedHatOfficial/prs_2022-01-01_2022-01-06 prs stats --org=RedHatOfficial --from=2022-01-01 --to=2022-01-06 --ignore-unknown`.strip
-      expect(output).to include 'Between 2022-01-01 and 2022-01-06, 0% of contributions (0/1) were made by 0 external contributors (0/1).'
+      expect(output).to include 'Between 2022-01-01 and 2022-01-06, 0.0% of contributions (0/1) were made by 0 external contributors (0/1).'
     end
 
     it 'parses dates' do
       output = `"#{project}" --no-cache --vcr-cassette-name=search/RedHatOfficial/prs_2022-01-01_2022-01-06 prs stats --org=RedHatOfficial --from=2022-01-01 --to="january sixth 2022" --ignore-unknown`.strip
-      expect(output).to include 'Between 2022-01-01 and 2022-01-06, 0% of contributions (0/1) were made by 0 external contributors (0/1).'
+      expect(output).to include 'Between 2022-01-01 and 2022-01-06, 0.0% of contributions (0/1) were made by 0 external contributors (0/1).'
     end
 
     it 'returns contributors for the default org' do
       output = `"#{project}" --no-cache --vcr-cassette-name=search/opensearch-project/prs_2022-01-01_2022-01-06 prs stats --from=2022-01-01 --to=2022-01-06 --ignore-unknown`.strip
-      expect(output).to include 'Between 2022-01-01 and 2022-01-06, 0% of contributions (0/104) were made by 0 external contributors (0/45).'
+      expect(output).to include 'Between 2022-01-01 and 2022-01-06, 0.0% of contributions (0/104) were made by 0 external contributors (0/45).'
     end
 
     it 'returns contributors for a single repo' do
       output = `"#{project}" --no-cache --vcr-cassette-name=search/aws/aws-cli/prs_2022-10-01_2022-10-24 prs stats --repo=aws/aws-cli --from=2022-10-01 --to=2022-10-24 --ignore-unknown`.strip
-      expect(output).to include 'Between 2022-10-01 and 2022-10-24, 0% of contributions (0/12) were made by 0 external contributors (0/5).'
+      expect(output).to include 'Between 2022-10-01 and 2022-10-24, 0.0% of contributions (0/12) were made by 0 external contributors (0/5).'
     end
   end
 end