1 files changed, 11 insertions, 11 deletions
diff --git a/client/chart/chart.container.js b/client/chart/chart.container.js
index eba1b529..5a0b451a 100644
--- a/client/chart/chart.container.js
+++ b/client/chart/chart.container.js
@@ -107,17 +107,17 @@ class ChartContainer extends Component {
       )
     )
 
-    const maxCitationsInAYear = citationCountsByYear
-      .slice(1)
-      .reduce((a,b) => (
-        Math.max(
-          a,
-          b.slice(1).reduce((a2, b2) => (
-              a2 + b2
-            ),
-            0)
-          )
-        ), 0)
+    let maxCitationsInAYear = 0
+    let currentSum = 0
+    // for each year...
+    for (let j = 1; j < citationCountsByYear[0].length; j++) {
+      // for each country
+      currentSum = 0
+      for (let i = 1; i < citationCountsByYear.length; i++) {
+        currentSum += citationCountsByYear[i][j]
+      }
+      maxCitationsInAYear = Math.max(currentSum, maxCitationsInAYear)
+    }
 
     let ticks = []
     for (let i = 0; i < maxCitationsInAYear; i += 50) {