年別, 營運里程[公里][年底數], 營運車站數[站][年底數], 客運人次[人次], 客運人次[人次]/平均每日客運量, 客運收入[元], 各站旅運量[人次]/動物園站入站, 各站旅運量[人次]/動物園站出站, 各站旅運量[人次]/園內站入站, 各站旅運量[人次]/園內站出站, 各站旅運量[人次]/指南宮站入站, 各站旅運量[人次]/指南宮站出站, 各站旅運量[人次]/貓空站入站, 各站旅運量[人次]/貓空站出站
 96年,-,4,2364682,15977,93120588,761694,705629,79737,62208,131537,110439,728283,822975
 97年,-,4,3807396,16847,158540799,1239165,1178868,147064,121289,226169,133727,1156419,1334933
 98年,-,4,-,-,-,-,-,-,-,-,-,-,-
 99年,4.03,4,1832024,7965,77368865,852506,731064,87527,122531,86720,80167,778402,871393
 100年,4.03,4,2881005,9477,110494251,1331356,1175647,140320,194406,131299,115850,1245055,1350342
 101年,4.03,4,2304735,8568,91199041,1061647,912080,120231,170776,117811,104850,976406,1074037
 102年,4.03,4,2520701,8722,106917113,1131269,978007,149425,199101,145431,125257,1034881,1148213
 103年,4.03,4,3059173,10163,127848601,1311081,1148039,261730,270643,143491,129366,1234827,1380360
 104年,4.03,4,2713273,9421,117129173,1190500,1040089,217041,229797,142074,126391,1102862,1254243
 105年,4.03,4,2201477,7437,189076183,1011784,815481,196166,181991,106624,96490,842803,1063415
 106年,4.03,4,2096040,6783,184641825,989926,760854,202320,182112,112143,102712,771057,1029768
 107年,4.03,4,2118144,6724,181540367,997694,762948,199521,193153,106279,96634,779884,1030643
 108年,4.03,4,2206068,7163,181116555,1028262,823323,205827,193813,109184,98993,839043,1066187
 109年,4.03,4,1214576,4400,80505026,487216,464781,151107,120871,70325,62011,423860,544133
 110年,4.03,4,707516,4043,50894398,307328,267277,62290,58816,46706,41543,273988,322676
 111年,4.03,4,1051395,3381,74671383,463055,397874,99263,107285,61278,54168,406931,471200