The figures are estimated values but the real population should come pretty close | | District | National Letters
| Boats (estimated)
| |
| Austria | AUT | 25 | | | | Belgium | BEL | 8
| | | | Czech Republic | CZE | 9 | | | | Denmark | DEN | 3 | | | | Spain | ESP | 1 | | | | Finland | FIN | 2 | | | | France | FRA | 30
| updated 02 Mar 2012
| | | Great Britain | GBR | 900
| | | | Germany | GER | 75
| updated 04 May 2012 | | | Greece | GRE | 10 | | | | Ireland | IRL
| 30
| | | | Italy | ITA | 1 | | | | Malta | MLT | 1 | | | | The Netherlands | NED | 78 | updated 04 May 2012
| | | Norway | NOR | 40 | updated 14 Nov 2011
| | | Portugal | POR | 2 | | | | Russia | RUS
| 1 | | | | Zwitserland | SUI
| 7 | | | | Slovakia | SVK
| 2 | | | | Sweden | SWE | 26 | | | | | | | | | | 20 Districts |
| 1.250 | total (estimated) |
| 