year,n_outputs_publisher_open_only,n_outputs_both,n_outputs_other_platform_open_only,n_outputs_closed 2015,10564,23183,15877,56611 2016,10506,25626,17690,60519 2017,11419,28999,19035,59390 2018,12464,33300,19483,59430 2019,14196,39446,19479,60151 2020,17294,57727,21571,61660 2021,20364,65725,20869,56536 2022,26312,61713,18522,56788 2023,40091,47701,11105,56032