Rank	Countries/Territories	Count	Percent
1	United States	476	29.1%
2	China	457	27.9%
3	Germany	114	7%
4	Korea, Republic of	70	4.3%
5	India	67	4.1%
6	France	41	2.5%
7	Ghana	39	2.4%
8	Australia	33	2%
9	Taiwan	30	1.8%
10	Switzerland	25	1.5%
11	United Kingdom	24	1.5%
12	Netherlands	21	1.3%
13	Canada	21	1.3%
14	Romania	20	1.2%
15	Russia	20	1.2%
16	Japan	18	1.1%
17	Ireland	16	1%
18	Mexico	15	0.9%
19	Turkey	11	0.7%
20	Ukraine	10	0.6%
21	Singapore	10	0.6%
22	Spain	9	0.5%
23	Argentina	9	0.5%
24	Cyprus	7	0.4%
25	South Africa	7	0.4%
26	Thailand	5	0.3%
27	Mongolia	5	0.3%
28	Hong Kong	5	0.3%
29	Colombia	4	0.2%
30	Congo, The Democratic Republic of The	4	0.2%
31	Viet Nam	4	0.2%
32	Philippines	3	0.2%
33	Algeria	3	0.2%
34	Belgium	3	0.2%
35	Brazil	2	0.1%
36	Bangladesh	2	0.1%
37	Hungary	2	0.1%
38	Egypt	2	0.1%
39	Indonesia	2	0.1%
40	Malaysia	2	0.1%
41	Pakistan	2	0.1%
42	Peru	1	0.1%
43	Poland	1	0.1%
44	Morocco	1	0.1%
45	Norway	1	0.1%
46	Sweden	1	0.1%
47	United Arab Emirates	1	0.1%
48	Mauritius	1	0.1%
49	Moldova, Republic of	1	0.1%
50	Jordan	1	0.1%
51	Latvia	1	0.1%
52	Lebanon	1	0.1%
53	Guatemala	1	0.1%
54	Bulgaria	1	0.1%
55	Bahamas	1	0.1%
56	Croatia	1	0.1%
57	Denmark	1	0.1%
58	Georgia	1	0.1%