The highest prevalence of FD was reported in 2016 (25.5%, range 427/1675) while the lowest was re- corded in 2009 (1.4%, range 23/1675). The highest prevalence of NI was reported in 2011 (19.2%, range 64/ 333) while the lowest was recorded in 2009 (4.8%, range 16/333). ...