"Total Return" performance includes dividend payments over the period, as if they were reinvested at 100%.

Past dividends on Datalex plc

2018-08-02 0.083 USD
2017-05-30 0.088 USD
2016-05-24 0.0544 USD
2015-05-26 0.048 USD
2014-05-28 0.032647 USD