Neodymium magnet composition

What are the material components of neodymium magnets? What percentage?

Rare earth metal neodymium accounts for 29%-32.5%; The metallic element iron accounts for 63.95-68.65%; The non-metallic element boron accounts for 1.1-1.2%; A small amount of dysprosium is added to account for 0.6-1.2%; Niobium accounts for 0.3-0.5%, and aluminum accounts for 0.3-0.5%; Copper accounts for 0.05-0.15% element;...