ULS Transaction Volume by Month

Month199920002001200220032004200520062007200820092010
Jan 6,6769,46211,10011,98414,68711,83019,60619,84312,99416,01310,876
Feb 8,49912,46010,12812,19912,85411,10610,26414,27515,32712,99010,843
Mar 11,70612,93519,19712,96215,09813,57814,88523,04214,20914,38315,140
Apr 13,06711,75314,55613,06716,53410,95311,11316,62114,66713,23013,680
May 21,10110,64214,01412,66111,62410,51113,16816,16713,44711,78812,207
Jun 28,09410,50211,48012,09913,34911,60912,11613,86311,70910,69113,851
Jul6,09311,5109,3959,90012,16911,8788,46613,52113,06511,4049,6029,542
Aug3,52510,69610,7139,43310,74211,4369,54913,48112,81111,21610,3658,992
Sep5,25012,1269,2348,2578,79113,9249,23012,38310,4289,5899,454 
Oct6,9089,52311,08311,10011,7459,5607,16812,64212,93710,44210,274 
Nov7,31110,1926,9409,4369,9919,5259,13618,95413,13111,3619,908 
Dec8,51010,4507,90110,11710,60210,3378,17211,93210,64310,90610,461 
Total37,597153,640123,020138,718139,012150,806121,308164,065176,826147,271139,64195,111


The above data shows the count of records, in the ULS data base for the given month that have the 'last_action_date' field (item 44) 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.