howto/upgrades.md

@@ -28,6 +28,25 @@ Team policies:
 
 Some teams might be missing from the list.
 
+## All time version graph
+
+<figure>
+<img alt="graph showing the number of hosts per Debian release over time" src="/howto/upgrades/data.png" />
+<figcaption>
+The above graph shows the number of hosts running a particular version
+of Debian over time since data collection started in 2019, covering 5
+different Debian releases:
+
+ * jessie
+ * stretch
+ * buster (upgraded in 28 months)
+ * bullseye (upgraded in 24 months and counting, running for 48 months
+   and counting)
+ * bookworm (running 1 month and counting)
+
+</figcaption>
+</figure>
+
 # Minor upgrades
 
 ## Unattended upgrades