Rank	Countries/Territories	Count	Percent
1	United States	300	31.9%
2	China	238	25.3%
3	Canada	100	10.6%
4	Germany	75	8%
5	India	41	4.4%
6	Singapore	26	2.8%
7	United Kingdom	17	1.8%
8	Poland	14	1.5%
9	Japan	11	1.2%
10	Ukraine	10	1.1%
11	France	10	1.1%
12	Australia	10	1.1%
13	Turkey	7	0.7%
14	Spain	7	0.7%
15	Netherlands	6	0.6%
16	Argentina	6	0.6%
17	Ireland	6	0.6%
18	El Salvador	5	0.5%
19	Cyprus	5	0.5%
20	Belgium	4	0.4%
21	Switzerland	4	0.4%
22	Taiwan	3	0.3%
23	Hong Kong	3	0.3%
24	United Arab Emirates	3	0.3%
25	Pakistan	3	0.3%
26	Russia	3	0.3%
27	Slovenia	3	0.3%
28	Denmark	3	0.3%
29	Italy	3	0.3%
30	Greece	2	0.2%
31	Egypt	2	0.2%
32	Brazil	2	0.2%
33	Philippines	2	0.2%
34	Sweden	2	0.2%
35	Korea, Republic of	1	0.1%
36	Malaysia	1	0.1%
37	Iran, Islamic Republic of	1	0.1%