Rank	Countries/Territories	Count	Percent
1	United States	581	42.9%
2	China	300	22.2%
3	Germany	174	12.9%
4	France	35	2.6%
5	Korea, Republic of	35	2.6%
6	India	22	1.6%
7	Japan	19	1.4%
8	Canada	18	1.3%
9	Netherlands	17	1.3%
10	Ukraine	17	1.3%
11	United Kingdom	16	1.2%
12	Switzerland	14	1%
13	Taiwan	12	0.9%
14	Iran, Islamic Republic of	11	0.8%
15	Indonesia	7	0.5%
16	Australia	6	0.4%
17	Brazil	6	0.4%
18	Turkey	6	0.4%
19	Hong Kong	5	0.4%
20	Singapore	5	0.4%
21	Norway	5	0.4%
22	Portugal	4	0.3%
23	Saudi Arabia	4	0.3%
24	Philippines	3	0.2%
25	Malaysia	3	0.2%
26	Italy	3	0.2%
27	Cyprus	3	0.2%
28	Finland	2	0.1%
29	Cambodia	2	0.1%
30	Hungary	2	0.1%
31	Puerto Rico	2	0.1%
32	Russia	2	0.1%
33	Spain	2	0.1%
34	Trinidad and Tobago	2	0.1%
35	Sweden	1	0.1%
36	Mexico	1	0.1%
37	Nigeria	1	0.1%
38	Kenya	1	0.1%
39	Lebanon	1	0.1%
40	Lithuania	1	0.1%
41	Israel	1	0.1%
42	Belgium	1	0.1%
43	Dominican Republic	1	0.1%