Rank	Countries/Territories	Count	Percent
1	United States	393	41.2%
2	China	170	17.8%
3	Germany	47	4.9%
4	Canada	36	3.8%
5	India	31	3.2%
6	Hungary	28	2.9%
7	Italy	23	2.4%
8	Cuba	19	2%
9	Korea, Republic of	17	1.8%
10	Netherlands	15	1.6%
11	United Kingdom	14	1.5%
12	Japan	12	1.3%
13	France	12	1.3%
14	Singapore	10	1%
15	Australia	8	0.8%
16	Cyprus	7	0.7%
17	Ecuador	7	0.7%
18	Mexico	6	0.6%
19	Switzerland	6	0.6%
20	Taiwan	6	0.6%
21	Russia	5	0.5%
22	Viet Nam	5	0.5%
23	Morocco	5	0.5%
24	Lebanon	5	0.5%
25	Malaysia	5	0.5%
26	Chile	4	0.4%
27	South Africa	4	0.4%
28	Spain	4	0.4%
29	Serbia	3	0.3%
30	Turkey	3	0.3%
31	Brazil	3	0.3%
32	Argentina	3	0.3%
33	Hong Kong	3	0.3%
34	Ireland	3	0.3%
35	Israel	3	0.3%
36	Pakistan	3	0.3%
37	Nigeria	2	0.2%
38	Norway	2	0.2%
39	Greece	2	0.2%
40	Egypt	2	0.2%
41	Estonia	2	0.2%
42	Belgium	2	0.2%
43	Venezuela, Bolivarian Republic of	2	0.2%
44	Thailand	2	0.2%
45	Saudi Arabia	2	0.2%
46	Romania	2	0.2%
47	Austria	1	0.1%
48	Bulgaria	1	0.1%
49	Philippines	1	0.1%
50	Portugal	1	0.1%
51	New Zealand	1	0.1%
52	Malta	1	0.1%