FRANCOFORTE, 9 maggio (Reuters) - The European Central Bank bought 19.766 billion euros ($17.36 billion) of public sector assets last week as part of its quantitative easing programme, above the 17.550 billion euros it purchased a week earlier, it said on Monday. The following table details the ECB's purchases in the Public Sector Purchase Programme (PSPP), Asset Backed Securities Programme (ABS) and Covered Bond Purchase Programme 3 over the past eight weeks. The total represents the purchases in the three purchase programmes. All figures are in billions of euros. Reference Date PSPP ABS Covered bonds Total May 6 19.766 -0.118 1.742 21.390 Apr 29 17.550 -0.132 1.239 18.657 Apr 22 19.908 -0.045 1.759 21.622 Apr 15 18.222 0.045 2.423 20.690 Apr 8 18.819 0.163 0.989 19.971 Apr 1 8.759 -0.239 0.102 8.622 Mar 25 10.345 0.072 2.331 12.748 Mar 18 12.406 0.099 1.809 14.314 Mar 11 12.509 0.185 1.705 14.399 ($1 = 1.1388 euros) For more detail on the ECB's asset purchases, please click: here