ULS Transaction Volume by Month

Month199920002001200220032004200520062007200820092010201120122013201420152016
Jan 6,6769,46211,10011,98414,68711,83019,60619,84312,99416,01310,8768,74010,39111,77213,87212,04913,663
Feb 8,49912,46010,12812,19912,85411,10610,26414,27515,32712,99010,8439,89311,90011,85213,04312,46613,145
Mar 11,70612,93519,19712,96215,09813,57814,88523,04214,20914,38315,14012,91312,99013,81714,87713,34314,374
Apr 13,06711,75314,55613,06716,53410,95311,11316,62114,66713,23013,68011,87611,41713,01414,20912,73513,684
May 21,10110,64214,01412,66111,62410,51113,16816,16713,44711,78812,20710,75913,07813,42714,05512,34014,070
Jun 28,09410,50211,48012,09913,34911,60912,11613,86311,70910,69113,85111,06410,82011,31014,02512,091 
Jul6,09311,5109,3959,90012,16911,8788,46613,52113,06511,4049,6029,5429,7179,62912,41213,37010,160 
Aug3,52510,69610,7139,43310,74211,4369,54913,48112,81111,21610,3658,9928,98410,05911,57510,76610,028 
Sep5,25012,1269,2348,2578,79113,9249,23012,38310,4289,5899,4548,4499,1328,5529,71110,3289,496 
Oct6,9089,52311,08311,10011,7459,5607,16812,64212,93710,44210,2748,8459,04610,38510,16611,58214,301 
Nov7,31110,1926,9409,4369,9919,5259,13618,95413,13111,3619,9087,44610,3529,98813,05111,26912,266 
Dec8,51010,4507,90110,11710,60210,3378,17211,93210,64310,90610,4619,2159,0729,7099,8369,56913,603 
Total37,597153,640123,020138,718139,012150,806121,308164,065176,826147,271139,159129,086121,548128,918141,943150,965144,87868,936


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.