       countCollections--
       Statistics.documents.update statisticsDataId, $set: countCollections: countCollections if !initializingCollections
 
+  BlogPost.documents.find({},
+    fields:
+      _id: 1 # We want only id
+  ).observeChanges
+    added: (id) =>
+      countBlogPosts++
+      Statistics.documents.update statisticsDataId, $set: countBlogPosts: countBlogPosts if !initializingBlogPosts
+
+    removed: (id) =>
+      countBlogPosts--
+      Statistics.documents.update statisticsDataId, $set: countBlogPosts: countBlogPosts if !initializingBlogPosts
+
   Statistics.documents.insert
     _id: statisticsDataId
     countPublications: countPublications

  initializingAnnotations = true
  initializingGroups = true
  initializingCollections = true
  countPublications = 0
  countPersons = 0
  countHighlights = 0
  countAnnotations = 0
  countGroups = 0
  countCollections = 0
  minPublicationDate = null
  maxPublicationDate = null


    countAnnotations: countAnnotations
    countGroups: countGroups
    countCollections: countCollections
    countBlogPosts: countBlogPosts
    minPublicationDate: minPublicationDate?.toDate()
    maxPublicationDate: maxPublicationDate?.toDate()

