Table 4. Average number of top 300 professional players per period for specific world region (the total number of players in a specific period divided by the number of years in a period).
Period Africa Asia Central America Europe North America Oceania South America
P1 14.8 10 3.4 100.2 98.2 45 28.2
P2 9.4 3.4 2.4 88.2 80.8 23.6 31.8
P3 12.2 4.2 5.6 139.8 78 21.4 38.4
P4 12.2 4.8 7 165 51.6 19.4 38.4
P5 12.8 8.4 4.8 183.6 32.4 18.4 33
P6 7.8 14 3.2 194.6 28.2 9.4 39.8
P7 5 15 2.25 196 29.5 8.75 43.75