diff --git a/analysis/utilities.py b/analysis/utilities.py
index 496f5cd..9726594 100644
--- a/analysis/utilities.py
+++ b/analysis/utilities.py
@@ -102,7 +102,7 @@ def build_common_vars(INTERVAL):
     # -------------------
     # Intervals
     # -------------------
-    intervals = years(16).starting_on("2009-01-01")
+    intervals = years(17).starting_on("2009-01-01")
 
     return {
         "denominator": denominator,