|  Callsign structure | # | Callsign structure, C - char, D - digit | Callsigns | % | QSOs | % | 
|---|
 | 1 | C C D C C  | 92 | 24.60 % |  | 113 | 23.25 % |  |  | 2 | C C D C C C  | 52 | 13.90 % |  | 62 | 12.76 % |  |  | 3 | C C D C C / C  | 45 | 12.03 % |  | 56 | 11.52 % |  |  | 4 | C C D C  | 41 | 10.96 % |  | 60 | 12.35 % |  |  | 5 | C C D C / C  | 38 | 10.16 % |  | 47 | 9.67 % |  |  | 6 | C C D C C C / C  | 26 | 6.95 % |  | 29 | 5.97 % |  |  | 7 | C D C C  | 22 | 5.88 % |  | 31 | 6.38 % |  |  | 8 | C D D C / C  | 13 | 3.48 % |  | 24 | 4.94 % |  |  | 9 | C D C C C / C  | 12 | 3.21 % |  | 18 | 3.70 % |  |  | 10 | C D C C C  | 8 | 2.14 % |  | 8 | 1.65 % |  |  | 11 | D C D C C  | 7 | 1.87 % |  | 9 | 1.85 % |  |  | 12 | C D C C / C  | 6 | 1.60 % |  | 8 | 1.65 % |  |  | 13 | C D D C C  | 3 | 0.80 % |  | 3 | 0.62 % |  |  | 14 | C D D C  | 3 | 0.80 % |  | 3 | 0.62 % |  |  | 15 | C C / C C D C C  | 1 | 0.27 % |  | 2 | 0.41 % |  |  | 16 | D C D C  | 1 | 0.27 % |  | 1 | 0.21 % |  |  | 17 | C C D C C C C  | 1 | 0.27 % |  | 1 | 0.21 % |  |  | 18 | C C D C / D  | 1 | 0.27 % |  | 1 | 0.21 % |  |  | 19 | C D D D C C / C  | 1 | 0.27 % |  | 1 | 0.21 % |  |  | 20 | D C / C D D C / C  | 1 | 0.27 % |  | 1 | 0.21 % |  |  
  |