sentences:  From 1990 to 2005, an average of 750 oiled penguins have been admitted annually from oiling events other than these two spills.In total, SANCCOB has handled over 85,000 seabirds since its inception.A modeling exercise by the University of Cape Town's Percy FitzPatrick Institute of African Ornithology found that rehabilitating oiled African penguins has resulted in the current population being 19 percent larger than it would have been in the absence of SANCCOB's rehabilitation efforts.