Gamified Mobile Applications for Improving Driving Behavior: A Systematic Mapping Study

Table 10

Distribution of selected works between 2007 and 2021.

Release year	Apps total number	Apps references
2009	1	[51]
2010	1	[52]
2011	5	[53–57]
2012	4	[58–61]
2013	13	[62–74]
2014	8	[75–82]
2015	25	[83–107]
2016	20	[108–127]
2017	33	[128–159]
2018	44	[160–203]
2019	49	[204–252]
2020	13	[253–265]‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬
2021	4	[266–269]