Date 1 day 2-3 days 4-7 days 8-14 days 15-31 days 17 Nov. 95.8 2 0 2.2 0 24 Nov. 96.6 1.1 0.65 1.6 0 1 Dec. 97.4 0.17 1.2 1.2 0 8 Dec. 96 1.3 2.7 0 0 15 Dec. 97.1 0.37 2.4 0.18 0 22 Dec. 97.3 0 2.7 0 0 29 Dec. 97.4 0 2.6 0 0 5 Jan. 95.4 1.1 3.5 0 0 12 Jan. 94.6 2.6 2.4 0.37 0 19 Jan. 93.4 2.8 2.3 1.5 0 26 Jan. 94.1 2.3 1 1.4 1.2 2 Feb. 94.7 2.1 0 2.1 1.1 9 Feb. 96.2 1.5 0 2.2 0.11 16 Feb. 96.7 1.2 0.4 1.7 0 23 Feb. 96.3 2.2 0.85 0.66 0 2 Mar. 97.2 2.1 0 0.69 0 9 Mar. 97.5 1.6 0.62 0.25 0 16 Mar. 97.2 1.9 0.85 0 0 23 Mar. 96.7 2.4 0.89 0 0 30 Mar. 95.5 3 1.5 0 0 6 Apr. 94 3.6 2.1 0.35 0 13 Apr. 94.2 3.3 1.4 1.1 0 20 Apr. 93.6 3.6 0.93 1.9 0 27 Apr. 94.8 2.7 1 1 0.51 4 May 96.2 1.5 1.4 0 0.89 11 May 96.4 1.5 1.2 0 0.86 18 May 96.5 1.9 0.81 0 0.81 25 May 95.3 2.2 1.7 0 0.78 1 Jun. 97 0.76 0.76 1.3 0.22 8 Jun. 97 0.74 0.74 1.5 0 11 Jun. 97.4 0.26 0 2.3 0