OAG fetcher: dates are shifted by one week
On DBnomics, OAG series start by week "2020-W02" and end by week "2020-W52" (https://db.nomics.world/OAG/FD/all.growth) instead of "2020-W01" and "2020-W51" on OAG website (see attached file)OAG_Excel_Output_21_December_2020.xlsx