Rank	Countries/Territories	Count	Percent
1	United States	550	45.2%
2	China	276	22.7%
3	Germany	116	9.5%
4	Netherlands	33	2.7%
5	Canada	31	2.5%
6	India	27	2.2%
7	United Kingdom	26	2.1%
8	Australia	16	1.3%
9	Ireland	13	1.1%
10	Japan	13	1.1%
11	Switzerland	12	1%
12	Ukraine	10	0.8%
13	France	10	0.8%
14	Cyprus	8	0.7%
15	Hong Kong	6	0.5%
16	Egypt	6	0.5%
17	Iran, Islamic Republic of	5	0.4%
18	Lithuania	5	0.4%
19	Singapore	5	0.4%
20	Philippines	4	0.3%
21	Taiwan	4	0.3%
22	South Africa	3	0.2%
23	Korea, Republic of	3	0.2%
24	Italy	3	0.2%
25	Indonesia	3	0.2%
26	Belgium	3	0.2%
27	Georgia	2	0.2%
28	Ecuador	2	0.2%
29	Latvia	2	0.2%
30	Mongolia	2	0.2%
31	Russia	2	0.2%
32	Peru	2	0.2%
33	Sweden	2	0.2%
34	Viet Nam	2	0.2%
35	Qatar	1	0.1%
36	Spain	1	0.1%
37	Malaysia	1	0.1%
38	Mexico	1	0.1%
39	Argentina	1	0.1%
40	Hungary	1	0.1%
41	Chile	1	0.1%
42	Denmark	1	0.1%
43	Colombia	1	0.1%