|  Callsign structure | # | Callsign structure, C - char, D - digit | Callsigns | % | QSOs | % | 
|---|
 | 1 | C C D C C  | 85 | 21.57 % |  | 104 | 20.04 % |  |  | 2 | C C D C C / C  | 59 | 14.97 % |  | 78 | 15.03 % |  |  | 3 | C C D C C C  | 58 | 14.72 % |  | 65 | 12.52 % |  |  | 4 | C C D C  | 49 | 12.44 % |  | 65 | 12.52 % |  |  | 5 | C C D C / C  | 32 | 8.12 % |  | 43 | 8.29 % |  |  | 6 | C D C C  | 25 | 6.35 % |  | 30 | 5.78 % |  |  | 7 | C C D C C C / C  | 24 | 6.09 % |  | 29 | 5.59 % |  |  | 8 | C D C C C  | 12 | 3.05 % |  | 12 | 2.31 % |  |  | 9 | C D D C / C  | 12 | 3.05 % |  | 30 | 5.78 % |  |  | 10 | C D C C C / C  | 9 | 2.28 % |  | 12 | 2.31 % |  |  | 11 | C D C C / C  | 9 | 2.28 % |  | 13 | 2.50 % |  |  | 12 | D C D C C  | 8 | 2.03 % |  | 9 | 1.73 % |  |  | 13 | C D D C C  | 3 | 0.76 % |  | 4 | 0.77 % |  |  | 14 | C D D C C C / C  | 2 | 0.51 % |  | 3 | 0.58 % |  |  | 15 | C D D C  | 1 | 0.25 % |  | 2 | 0.39 % |  |  | 16 | D C D C  | 1 | 0.25 % |  | 1 | 0.19 % |  |  | 17 | D C / C D D C / C  | 1 | 0.25 % |  | 1 | 0.19 % |  |  | 18 | C C / C D C C  | 1 | 0.25 % |  | 1 | 0.19 % |  |  | 19 | D C D C / C  | 1 | 0.25 % |  | 1 | 0.19 % |  |  | 20 | D C D C C C  | 1 | 0.25 % |  | 1 | 0.19 % |  |  | 21 | C C D D C C C C  | 1 | 0.25 % |  | 1 | 0.19 % |  |  
  |