The article shows the analysis of the annual increment of bibliographic records in COBIB.SI in 2016 by month and by day; records were contributed by cataloguers from 252 libraries. According to the data as of 31 December 2016, 181,535 new bibliographic records were created in COBIB.SI in 2016; the data for 177,486 bibliographic records is analysed and presented. At the end of the year, the monthly increment of bibliographic records increased, which can be contributed to the records for theses and dissertations.