Rank	Countries/Territories	Count	Percent
1	United States	339	36.8%
2	China	175	19%
3	Germany	65	7.1%
4	India	40	4.3%
5	Spain	22	2.4%
6	Japan	20	2.2%
7	Italy	17	1.8%
8	Netherlands	17	1.8%
9	France	16	1.7%
10	Mexico	14	1.5%
11	Taiwan	14	1.5%
12	United Kingdom	14	1.5%
13	Korea, Republic of	12	1.3%
14	Hungary	11	1.2%
15	Russia	11	1.2%
16	Canada	9	1%
17	Hong Kong	9	1%
18	Colombia	9	1%
19	Ukraine	8	0.9%
20	Thailand	8	0.9%
21	Turkey	7	0.8%
22	Singapore	7	0.8%
23	Belgium	6	0.7%
24	Morocco	6	0.7%
25	Portugal	5	0.5%
26	Indonesia	5	0.5%
27	Ireland	4	0.4%
28	Poland	4	0.4%
29	Viet Nam	4	0.4%
30	Romania	3	0.3%
31	Iran, Islamic Republic of	3	0.3%
32	Australia	3	0.3%
33	Nepal	3	0.3%
34	Lithuania	3	0.3%
35	Malaysia	3	0.3%
36	Mongolia	2	0.2%
37	Brazil	2	0.2%
38	Cyprus	2	0.2%
39	Egypt	2	0.2%
40	Israel	2	0.2%
41	Slovakia	2	0.2%
42	South Africa	2	0.2%
43	Sweden	2	0.2%
44	Switzerland	1	0.1%
45	Saudi Arabia	1	0.1%
46	Argentina	1	0.1%
47	Puerto Rico	1	0.1%
48	Nigeria	1	0.1%
49	Norway	1	0.1%
50	Pakistan	1	0.1%
51	Peru	1	0.1%