ULS Transaction Volume by Month

Month199920002001200220032004200520062007200820092010201120122013201420152016201720182010
Jan 6,6769,46211,10011,98414,68711,83019,60619,84312,99416,01310,8768,74010,39111,77213,87212,04913,66313,38511,6746,791
Feb 8,49912,46010,12812,19912,85411,10610,26414,27515,32712,99010,8439,89311,90011,85213,04312,46613,14512,53413,403 
Mar 11,70612,93519,19712,96215,09813,57814,88523,04214,20914,38315,14012,91312,99013,81714,87713,34314,37418,18815,612 
Apr 13,06711,75314,55613,06716,53410,95311,11316,62114,66713,23013,68011,87611,41713,01414,20912,73513,68413,77414,347 
May 21,10110,64214,01412,66111,62410,51113,16816,16713,44711,78812,20710,75913,07813,42714,05512,34014,07013,46014,768 
Jun 28,09410,50211,48012,09913,34911,60912,11613,86311,70910,69113,85111,06410,82011,31014,02512,09115,63713,14514,807 
Jul6,09311,5109,3959,90012,16911,8788,46613,52113,06511,4049,6029,5429,7179,62912,41213,37010,16014,29311,77210,574 
Aug3,52510,69610,7139,43310,74211,4369,54913,48112,81111,21610,3658,9928,98410,05911,57510,76610,0288,62313,7037,226 
Sep5,25012,1269,2348,2578,79113,9249,23012,38310,4289,5899,4548,4499,1328,5529,71110,3289,49610,41310,64810,710 
Oct6,9089,52311,08311,10011,7459,5607,16812,64212,93710,44210,2748,8459,04610,38510,16611,58214,30111,58811,71711,473 
Nov7,31110,1926,9409,4369,9919,5259,13618,95413,13111,3619,9087,44610,3529,98813,05111,26912,26613,87414,52012,858 
Dec8,51010,4507,90110,11710,60210,3378,17211,93210,64310,90610,4619,2159,0729,7099,8369,56913,60313,60013,85810,963 
Total37,597153,640123,020138,718139,012150,806121,308164,065176,826147,271139,159129,086121,548128,918141,943150,965144,878156,964160,704148,4156,791


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.