Rank	Countries/Territories	Count	Percent
1	United States	320	37.7%
2	China	157	18.5%
3	Germany	45	5.3%
4	Canada	35	4.1%
5	Hungary	28	3.3%
6	India	25	2.9%
7	Italy	23	2.7%
8	Cuba	19	2.2%
9	Korea, Republic of	16	1.9%
10	Netherlands	14	1.7%
11	United Kingdom	14	1.7%
12	Japan	12	1.4%
13	France	11	1.3%
14	Singapore	10	1.2%
15	Ecuador	7	0.8%
16	Australia	7	0.8%
17	Mexico	6	0.7%
18	Switzerland	6	0.7%
19	Taiwan	6	0.7%
20	Viet Nam	5	0.6%
21	Morocco	5	0.6%
22	Lebanon	5	0.6%
23	Malaysia	5	0.6%
24	Cyprus	5	0.6%
25	Chile	4	0.5%
26	South Africa	4	0.5%
27	Spain	4	0.5%
28	Pakistan	3	0.4%
29	Russia	3	0.4%
30	Serbia	3	0.4%
31	Turkey	3	0.4%
32	Brazil	3	0.4%
33	Hong Kong	3	0.4%
34	Ireland	3	0.4%
35	Israel	3	0.4%
36	Nigeria	2	0.2%
37	Norway	2	0.2%
38	Greece	2	0.2%
39	Egypt	2	0.2%
40	Estonia	2	0.2%
41	Argentina	2	0.2%
42	Belgium	2	0.2%
43	Venezuela, Bolivarian Republic of	2	0.2%
44	Saudi Arabia	2	0.2%
45	Thailand	2	0.2%
46	Philippines	1	0.1%
47	Portugal	1	0.1%
48	Austria	1	0.1%
49	Bulgaria	1	0.1%
50	New Zealand	1	0.1%
51	Malta	1	0.1%