Rank	Countries/Territories	Count	Percent
1	United States	437	36.5%
2	China	321	26.8%
3	Germany	144	12%
4	Poland	63	5.3%
5	Australia	36	3%
6	India	23	1.9%
7	Switzerland	16	1.3%
8	Spain	15	1.3%
9	Canada	14	1.2%
10	Ukraine	13	1.1%
11	Netherlands	13	1.1%
12	Singapore	12	1%
13	Ireland	12	1%
14	Japan	10	0.8%
15	Korea, Republic of	9	0.8%
16	United Kingdom	8	0.7%
17	Lithuania	5	0.4%
18	France	5	0.4%
19	Cyprus	5	0.4%
20	Italy	4	0.3%
21	Indonesia	4	0.3%
22	Hong Kong	4	0.3%
23	Hungary	4	0.3%
24	Denmark	3	0.3%
25	Finland	3	0.3%
26	Mexico	2	0.2%
27	Mongolia	2	0.2%
28	Russia	2	0.2%
29	Taiwan	2	0.2%
30	Turkey	1	0.1%
31	Oman	1	0.1%
32	Chad	1	0.1%
33	Belgium	1	0.1%
34	Iran, Islamic Republic of	1	0.1%
35	Israel	1	0.1%