Rank	Countries/Territories	Count	Percent
1	United States	626	41.8%
2	China	282	18.8%
3	Germany	93	6.2%
4	Romania	36	2.4%
5	Spain	31	2.1%
6	India	30	2%
7	Italy	30	2%
8	United Kingdom	29	1.9%
9	Netherlands	28	1.9%
10	France	26	1.7%
11	Japan	21	1.4%
12	Iran, Islamic Republic of	19	1.3%
13	Ireland	17	1.1%
14	Korea, Republic of	15	1%
15	Canada	14	0.9%
16	Australia	13	0.9%
17	Sweden	13	0.9%
18	Moldova, Republic of	12	0.8%
19	Czech Republic	11	0.7%
20	Austria	10	0.7%
21	Turkey	10	0.7%
22	Singapore	9	0.6%
23	Hong Kong	9	0.6%
24	Belgium	8	0.5%
25	Brazil	8	0.5%
26	Mexico	7	0.5%
27	Thailand	7	0.5%
28	Russia	6	0.4%
29	South Africa	5	0.3%
30	Viet Nam	5	0.3%
31	Poland	4	0.3%
32	Taiwan	4	0.3%
33	Hungary	4	0.3%
34	Bulgaria	4	0.3%
35	Cyprus	4	0.3%
36	Ethiopia	4	0.3%
37	Greece	4	0.3%
38	Guatemala	3	0.2%
39	Denmark	3	0.2%
40	Indonesia	3	0.2%
41	Iraq	3	0.2%
42	Switzerland	3	0.2%
43	Portugal	3	0.2%
44	Myanmar	2	0.1%
45	Venezuela, Bolivarian Republic of	2	0.1%
46	Norway	2	0.1%
47	Pakistan	2	0.1%
48	Malaysia	2	0.1%
49	Egypt	2	0.1%
50	Colombia	2	0.1%
51	Chile	1	0.1%
52	Bangladesh	1	0.1%
53	Algeria	1	0.1%
54	Philippines	1	0.1%
55	United Arab Emirates	1	0.1%
56	Morocco	1	0.1%
57	Saudi Arabia	1	0.1%