Calendar Year Total Number Seen Number seen within 18 weeks Number seen after 18 weeks Unknown 2014 103,960 95,527 7,891 542 2015 107,894 99,882 7,499 513 2016 107,742 94,918 93,140 170 2017 94,918 82,647 12,218 53 2018 93,140 74,373 18,731 36 2019 92,673 71,274 21,341 58 2020* 47,793 31,677 16,052 64 2021* 60,750 47,164 13,543 43 Source: PHS 18 Weeks RTT Database * There is missing data for these years, as NHS Grampian have been unable to submit data since February 2020, NHS Ayrshire and Arran have not submitted data since April 2020 and NHS Tayside have been unable to submit data since May 2021.