Table 4.

Number of cleaned radiocarbon dates by continent.

Continent	Raw Dates (including duplicates)	Scrubbed Dates	% Kept	Dated Sites	Mean Dates/Site
Africa	14,860	11,129	74.9	3,463	3.21
Asia	21,828	14,071	64.5	2,693	5.23
Australia	3,661	3,657	99.9	1,530	2.39
Europe	119,106	77,393	65.0	21,331	3.63
North America	102,288	64,934	63.5	16,120	4.03
Central America	1,223	1,218	99.5	99	12.3
South America	9,568	7,668	80.1	2,077	3.69
Total	272,534	180,070	66.1	47,313	3.81