Table 1.

Literature annual distribution.

Year of publication	Record	% of 5,986
2021	736	12.30
2020	1,191	19.90
2019	768	12.83
2018	704	11.76
2017	588	9.83
2016	516	8.62
2015	451	7.53
2014	313	5.23
2013	297	4.96
2012	220	3.68
2011	202	3.37