Update numbers of Stats table

Author: yasulab

app/views/static_pages/stats.html.haml

@@ -34,25 +34,29 @@
 
     %h3 各統計の推移
     %div{align: 'center'}
+      (計測対象のみ)
       %table
         %thead
           %tr
             %th
             - @range.each do |year|
               %td{style: 'padding: 0 5px; font-weight: bold;'} #{year}年
+            %td{style: 'padding: 0 5px; font-weight: bold;'} 合計
         %tbody{align: 'center'}
           %tr
             %td 道場数
             - @range.each do |year|
-              %td #{@dojos[year]}
+              %td= @dojos[year]
           %tr
             %td 開催回数
             - @range.each do |year|
-              %td #{@events[year]}
+              %td= @events[year]
+            %td= @events.values.inject(:+)
           %tr
             %td 参加者数
             - @range.each do |year|
-              %td #{@participants[year]}
+              %td= @participants[year]
+            %td= @participants.values.inject(:+)
 
     %h3 関連リンク
     %ul{:style => "list-style: none; margin-left: -40px;"}