Restrict year range of Out of School indicator

Related: simcaq/SCRUM#402

src/libs/routes/outOfSchool.js

@@ -29,13 +29,15 @@ outOfSchoolApp.use(cache('15 day'));
 outOfSchoolApp.get('/year_range', (req, res, next) => {
     req.sql.from('pnad')
     .field('MIN(pnad.ano_censo)', 'start_year')
-    .field('MAX(pnad.ano_censo)', 'end_year');
+    .field('MAX(pnad.ano_censo)', 'end_year')
+    .where('pnad.ano_censo >= 2007 AND pnad.ano_censo <= 2015');
     next();
 }, query, response('range'));
 
 outOfSchoolApp.get('/years', (req, res, next) => {
     req.sql.from('pnad').
-    field('DISTINCT pnad.ano_censo', 'year');
+    field('DISTINCT pnad.ano_censo', 'year')
+    .where('pnad.ano_censo >= 2007 AND pnad.ano_censo <= 2015');
     next();
 }, query, response('years'));