Followup report: don't include refugees with citizenship_at before th…

…e selected report year

app/reports/economy_followup_report.rb

@@ -34,5 +34,6 @@ def refugees
       )
       .where('registered <= ?', Date.new(@year).end_of_year)
       .where('not deregistered < ? or deregistered is ?', Date.new(@year).beginning_of_year, nil)
+      .where('not citizenship_at < ? or citizenship_at is ?', Date.new(@year).beginning_of_year, nil)
   end
 end