code: public function getStatisticsChart($period,$type){
  			return json_decode(self::getClient()->getStatisticsChart($this->getDomain(),$period,$type));
  		}
docs: Get Statistics Chart Values
  Ajout by @Thibautg16 le 11/11/2013
  
  @param $period
  @param $type
  
  @throws Exception\ServerException
  @throws \Ovh\Common\Exception\BadMethodCallException
  
  @return object