please help me to answer the following question ,please find the attachment

\fDec-17 Nov-17 Oct-17 Sep-17 Aug-17 Jul-17 Jun-17 May-17 Apr-17 Mar-17 Feb-17 Jan-17 Dec-16 Nov-16 Oct-16 Sep-16 Aug-16 Jul-16 Jun-16 May-16 Apr-16 Mar-16 Feb-16 Jan-16 Dec-15 Nov-15 Oct-15 Sep-15 Aug-15 Jul-15 Jun-15 May-15 Apr-15 Mar-15 Feb-15 Jan-15 Dec-14 Nov-14 Oct-14 Sep-14 Aug-14 Jul-14 Jun-14 May-14 Apr-14 Mar-14 Returns (%) Stantec Canadian Tire 0.46 0.53 -5.05 3.41 6.83 1.91 -0.2 5.1 9.39 4.33 -2.48 -3.56 4.51 -4.03 -10.82 -7.35 1.87 5.46 0.76 3.73 -1.81 10.56 3.17 -0.63 -5.38 -0.46 20.14 7.79 -2.85 -0.76 -1.41 -2.2 -5.9 -1.68 6.46 -2.53 -8.9 -1.71 6.93 5.22 -2.19 1.09 16.94 2.77 -17.34 15.85 -0.23 -3.39 -0.78 -5.56 5.39 9.28 12.86 -4.19 -5.38 -3.14 -15.2 -4.56 -0.07 -2.39 6.1 3.59 5.55 1.31 7.89 -0.96 -5.04 -2.04 2.14 12.88 -1.85 -4.52 -3.83 -4.34 -7.02 4.26 -2.04 7.69 -1.11 2.16 7.11 8.97 5.27 1.18 -1.53 -2.12 3.31 -2.44 -3.33 3.28 -0.41 4.39 Feb-14 Jan-14 Dec-13 Nov-13 Oct-13 Sep-13 Aug-13 Jul-13 Jun-13 May-13 Apr-13 Mar-13 Feb-13 Jan-13 0.1 3.43 -4.16 10.91 18.5 8.86 1.73 7.81 0.93 2.11 -3.14 5.02 4.43 3.58 5.5 -4.44 -0.22 3.4 6.08 2.4 5.83 6.76 -4.95 12.8 1.21 6.52 -0.37 0.06