Table 4.

Open science principle yearly average open score by the number of citizen science projects per year between 2005 and 2021

		Open science principles
Year	Number of projects	Open access	Open code	Open data	Open DMP	Open PR	Open software
2005	1	− 1	NA	1	0.5	1	1
2010	1	1	1	1	− 1	− 1	NA
2011	1	− 1	− 1	− 1	− 1	− 1	1
2012	1	− 1	0.5	1	− 1	0.5	− 1
2015	3	− 0.33	− 1	0.33	− 0.33	− 1	0
2016	4	1	0.5	0.75	0.38	0.17	0.5
2017	6	0.67	0	0.75	− 0.25	− 0.5	0.38
2018	2	1	0.75	0.75	0.5	− 1	1
2019	4	0	0.86	1	− 0.5	− 0.13	0.88
2020	8	0.25	0.36	0.94	− 0.38	− 0.44	0.58
2021	11	0.27	− 0.19	0.41	− 0.82	− 0.59	0.6