There were 21151   R1200GS bikes sold in 2013 in Europe, the most successful Bmw model ever. There are great variations concerning the best selling model in each European country, eg the Yamaha Xmax 125 in France, the Bmw R1200GS in Germany, the Honda SH 150 in Italy, Suzuki Burgman 125 in Spain and the Honda CB 125 in United Kingdom.

Source  ACEM

 Brand  Bike  Units
 Bmw  R1200GS  21151
 Peugeot  Kisbee 50  10971
 Vespa   LX 50  10739
 Yamaha  Xmax 125  10524
 Yamaha  XP500 TMAX  10502
 Honda  SH 150  10357
 Romet  GY50  9257
 Honda   SH 300/A  9086
 Kymco  Agility 50   7800