Rank	Countries/Territories	Count	Percent
1	United States	395	42.2%
2	China	196	21%
3	Germany	75	8%
4	Korea, Republic of	26	2.8%
5	Russia	25	2.7%
6	Taiwan	16	1.7%
7	Latvia	15	1.6%
8	Qatar	11	1.2%
9	United Kingdom	11	1.2%
10	Spain	10	1.1%
11	Japan	10	1.1%
12	Australia	10	1.1%
13	India	9	1%
14	Netherlands	9	1%
15	Singapore	9	1%
16	Pakistan	7	0.7%
17	Hong Kong	7	0.7%
18	Brazil	7	0.7%
19	Canada	7	0.7%
20	Greece	6	0.6%
21	France	6	0.6%
22	Portugal	5	0.5%
23	Mexico	5	0.5%
24	Ireland	5	0.5%
25	Iran, Islamic Republic of	4	0.4%
26	Morocco	4	0.4%
27	Poland	4	0.4%
28	Ethiopia	4	0.4%
29	Thailand	4	0.4%
30	Sweden	4	0.4%
31	Turkey	3	0.3%
32	Finland	3	0.3%
33	Belgium	3	0.3%
34	Egypt	3	0.3%
35	Indonesia	2	0.2%
36	Cuba	2	0.2%
37	Czech Republic	2	0.2%
38	Italy	2	0.2%
39	Kazakhstan	1	0.1%
40	Iraq	1	0.1%
41	Israel	1	0.1%
42	Lebanon	1	0.1%
43	Mauritius	1	0.1%
44	Chile	1	0.1%
45	Hungary	1	0.1%
46	Ukraine	1	0.1%
47	Romania	1	0.1%