Media Exposure Over Time

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	Barack Obama	Hillary Clinton	John McCain
Jan. 6-11	31.9	37.0	23.7
Jan. 14-20	27.8	29.0	23.5
Jan. 21-27	41.3	40.3	16.9
Jan. 28-Feb. 3	34.0	32.0	37.4
Feb. 4-10	40.2	41.1	42.3
Feb. 11-17	55.5	56.9	34.3
Feb. 18-24	56.8	49.9	38.4
Feb. 25-Mar. 2	69.0	58.2	28.5
Mar. 3–9	57.6	59.9	25.6
Mar. 9-16	67.1	50.8	15.3
Mar. 17-23	71.6	30.3	16.8
Mar. 24-30	53.5	63.3	23.6
Mar. 31-Apr. 6	55.7	55.4	30.0
Apr. 7-13	46.2	55.8	34.7
Apr. 14-20	75.6	59.1	24.1
Apr. 21-27	70.1	63.9	17.1
Apr. 28-May 4	69.4	40.7	14.2
May 5-11	66.9	70.0	11.7
May 12-18	67.5	53.1	27.3
May 19-25	62.4	42.9	41.0
May 26-June 1	65.9	45.2	36.1
June 2-8	77.5	59.6	21.0