Complete the following sentence: What follows is a table containing the total number of medals earned historically at the World Cup and World Challenge Cup events. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk>
1999 and 2001 World Championships, events that counted points for the ranking in their respective years, have not been taken into account. Overall, the total number of nations is considerably smaller when compared to the number of nations which earned at least one medal at the Artistic Gymnastics World Cup circuit.