'dropdown.previous_year' => '昨年',
'dropdown.selected_year' => '年',
'dropdown.all_time' => 'すべての時間',
+// TODO: translate the following.
+// 'dropdown.time' => 'time',
'dropdown.projects' => 'プロジェクト',
// TODO: translate the following.
// 'dropdown.tasks' => 'tasks',