What migrant groups contribute to the population of the guianas

Over the years, there have been several migrant groups that have populated the Guiana's. In the ultra peripheral region, more than 37% of the population is immigrants. The main migrant groups come from Haiti, Surinam,  and Brazil. These migrant groups have been coming for more than 3 centuries to the Guianas. The people from Surinam are the largest migrant group that make up 31% of the migrant population.

Maybe on the physical part? i dunno i just guessed plus i really need the points

Physical systems is the answer