Rank	Countries/Territories	Count	Percent
1	United States	396	38.9%
2	China	296	29.1%
3	Germany	59	5.8%
4	India	39	3.8%
5	Italy	32	3.1%
6	France	21	2.1%
7	United Kingdom	19	1.9%
8	Japan	16	1.6%
9	Romania	15	1.5%
10	Singapore	12	1.2%
11	Netherlands	11	1.1%
12	Bulgaria	9	0.9%
13	Korea, Republic of	8	0.8%
14	Switzerland	8	0.8%
15	Spain	7	0.7%
16	Canada	7	0.7%
17	Australia	7	0.7%
18	Hong Kong	5	0.5%
19	Russia	5	0.5%
20	South Africa	5	0.5%
21	Slovakia	4	0.4%
22	Ireland	4	0.4%
23	Cyprus	4	0.4%
24	Sweden	3	0.3%
25	Turkey	3	0.3%
26	Taiwan	2	0.2%
27	Mongolia	2	0.2%
28	Latvia	2	0.2%
29	Denmark	2	0.2%
30	Colombia	2	0.2%
31	Greece	2	0.2%
32	Honduras	2	0.2%
33	Georgia	1	0.1%
34	Argentina	1	0.1%
35	Indonesia	1	0.1%
36	Estonia	1	0.1%
37	Bangladesh	1	0.1%
38	Belgium	1	0.1%
39	Mexico	1	0.1%
40	Nigeria	1	0.1%
41	Togo	1	0.1%