Australian Asking Skills

Could the fact that while that “millionaires in the US give an average of 3.5 per cent of their income to charity while Canadian millionaires give 3.2 per cent,  Australian millionaires give less than 2 per cent”,  (as told  to the ABC.  Australia by Carolyn Hardy, UNICEF Australia chief executive) be down to the fact that Australian non profits have yet to sharpen their asking skills to match those of their North American counterparts?