Ajout total par région

app/views/stats/index.html.haml

@@ -19,6 +19,7 @@
       %th/
       - @years.each do |year|
         %th= year[0]
+      %th/
   %tbody
     - (1..12).each do |m|
       %tr
@@ -50,14 +51,19 @@
       %th/
       - @years.each do |year|
         %th= year[0]
+      %th=t '.total'
+      %th/
   %tbody
     - Region.all.each do |region|
       %tr
         %th.month= region
+        - total = 0
         - @years.each do |year|
           %td.quantity
+            - total += @regions[[region.id, year[0]]] || 0
             = link_to root_path(year: "#{year[0]}", region: region.id) do
               = number_with_delimiter @regions[[region.id, year[0]]]
+        %th.total= number_with_delimiter total
         %td.sparkline/
 
 %h3=t '.city'