Rank	Countries/Territories	Count	Percent
1	United States	741	41.4%
2	China	432	24.1%
3	Germany	88	4.9%
4	Japan	49	2.7%
5	India	48	2.7%
6	Iran, Islamic Republic of	27	1.5%
7	Canada	27	1.5%
8	United Kingdom	24	1.3%
9	Brazil	22	1.2%
10	Singapore	21	1.2%
11	Russia	19	1.1%
12	Ireland	19	1.1%
13	Latvia	18	1%
14	Korea, Republic of	17	0.9%
15	Italy	17	0.9%
16	Hong Kong	16	0.9%
17	Egypt	16	0.9%
18	Netherlands	15	0.8%
19	Mexico	14	0.8%
20	France	12	0.7%
21	Taiwan	12	0.7%
22	Spain	12	0.7%
23	Sweden	12	0.7%
24	Czech Republic	10	0.6%
25	Australia	10	0.6%
26	Portugal	9	0.5%
27	Israel	8	0.4%
28	Belgium	8	0.4%
29	Thailand	7	0.4%
30	Turkey	6	0.3%
31	Uzbekistan	5	0.3%
32	Poland	4	0.2%
33	Ukraine	4	0.2%
34	Denmark	4	0.2%
35	Greece	4	0.2%
36	Qatar	4	0.2%
37	Romania	3	0.2%
38	Argentina	3	0.2%
39	Cyprus	2	0.1%
40	Norway	2	0.1%
41	Indonesia	2	0.1%
42	Kuwait	2	0.1%
43	Switzerland	2	0.1%
44	Serbia	2	0.1%
45	Slovakia	2	0.1%
46	South Africa	1	0.1%
47	Turkmenistan	1	0.1%
48	Viet Nam	1	0.1%
49	Mauritius	1	0.1%
50	Pakistan	1	0.1%
51	Philippines	1	0.1%
52	Bahrain	1	0.1%
53	Bangladesh	1	0.1%
54	Colombia	1	0.1%