ULS Transaction Volume by Month

Month1999200020012002200320042005200620072008200920102011201220132014201520162016
Jan 6,6769,46211,10011,98414,68711,83019,60619,84312,99416,01310,8768,74010,39111,77213,87212,04913,66313,385
Feb 8,49912,46010,12812,19912,85411,10610,26414,27515,32712,99010,8439,89311,90011,85213,04312,46613,14512,534
Mar 11,70612,93519,19712,96215,09813,57814,88523,04214,20914,38315,14012,91312,99013,81714,87713,34314,37418,188
Apr 13,06711,75314,55613,06716,53410,95311,11316,62114,66713,23013,68011,87611,41713,01414,20912,73513,68413,774
May 21,10110,64214,01412,66111,62410,51113,16816,16713,44711,78812,20710,75913,07813,42714,05512,34014,07013,460
Jun 28,09410,50211,48012,09913,34911,60912,11613,86311,70910,69113,85111,06410,82011,31014,02512,09115,63713,145
Jul6,09311,5109,3959,90012,16911,8788,46613,52113,06511,4049,6029,5429,7179,62912,41213,37010,16014,29311,772
Aug3,52510,69610,7139,43310,74211,4369,54913,48112,81111,21610,3658,9928,98410,05911,57510,76610,0288,62313,703
Sep5,25012,1269,2348,2578,79113,9249,23012,38310,4289,5899,4548,4499,1328,5529,71110,3289,49610,41310,648
Oct6,9089,52311,08311,10011,7459,5607,16812,64212,93710,44210,2748,8459,04610,38510,16611,58214,30111,58811,717
Nov7,31110,1926,9409,4369,9919,5259,13618,95413,13111,3619,9087,44610,3529,98813,05111,26912,26613,874 
Dec8,51010,4507,90110,11710,60210,3378,17211,93210,64310,90610,4619,2159,0729,7099,8369,56913,60313,600 
Total37,597153,640123,020138,718139,012150,806121,308164,065176,826147,271139,159129,086121,548128,918141,943150,965144,878156,964132,357


The above data shows the count of records, in the ULS data base for the given month that have the 'last_action_date' field in the the HD table within that month. The data for July 1999 shows only transactions beginning July 15, 1999, the date the FCC cutover the ULS system for the Amateur Radio Service.