public function providerYearweek()
{
$recordset = [];
for ($year = 2014; $year <= 2018; $year++) {
$recordset[] = [$year . '-01-01'];
$recordset[] = [$year . '-01-02'];
$recordset[] = [$year . '-01-03'];
$recordset[] = [$year . '-01-04'];
$recordset[] = [$year . '-01-05'];
$recordset[] = [$year . '-01-06'];
$recordset[] = [$year . '-01-07'];
$recordset[] = [$year . '-09-09'];
$recordset[] = [$year . '-12-31'];
$recordset[] = [$year . '-12-30'];
$recordset[] = [$year . '-12-29'];
$recordset[] = [$year . '-12-28'];
$recordset[] = [$year . '-12-27'];
$recordset[] = [$year . '-12-26'];
$recordset[] = [$year . '-12-25'];
$recordset[] = [$year . '-12-24'];
}
return $recordset;
}