With an average of 1,252,000 total viewers Monday through Sunday primetime of the first quarter of 2012, according to Nielsen, Telemundo Media has delivered its best first quarter in the networks history. Boasting a programming line up that includes Caso Cerrado con Ana María Polo, Una Maid en Manhattan and its newest premiere Corazon Valiente, Telemundo was the only Spanish-language network to report growth year to year, up 12%. In the demographic of adults 18 to 49, Telemundo delivered its best first quarter performance in Monday through Friday prime in six years, averaging 719,000 viewers. Telemundo also surpassed CW by 14% in the Monday through Friday 8-10pm primetime day-part among both total viewers (1,459,000 vs. 1,280,000) and adults 18 to 49 (776,000 vs. 680,000).