Rank	Countries/Territories	Count	Percent
1	United States	649	32.8%
2	China	501	25.3%
3	Germany	218	11%
4	Korea, Republic of	169	8.5%
5	Latvia	98	5%
6	India	54	2.7%
7	Canada	38	1.9%
8	Japan	28	1.4%
9	France	24	1.2%
10	Netherlands	24	1.2%
11	Cyprus	17	0.9%
12	United Kingdom	13	0.7%
13	Switzerland	13	0.7%
14	Ireland	12	0.6%
15	Czech Republic	11	0.6%
16	Romania	11	0.6%
17	Singapore	11	0.6%
18	Turkey	9	0.5%
19	Saudi Arabia	6	0.3%
20	Australia	6	0.3%
21	Spain	5	0.3%
22	Sweden	4	0.2%
23	Argentina	4	0.2%
24	Poland	4	0.2%
25	Malaysia	3	0.2%
26	Mexico	3	0.2%
27	Algeria	3	0.2%
28	Italy	3	0.2%
29	Indonesia	3	0.2%
30	Ecuador	3	0.2%
31	Ghana	3	0.2%
32	Hong Kong	3	0.2%
33	Iran, Islamic Republic of	2	0.1%
34	Denmark	2	0.1%
35	Morocco	2	0.1%
36	Pakistan	2	0.1%
37	Philippines	2	0.1%
38	Russia	2	0.1%
39	Ukraine	2	0.1%
40	Lithuania	2	0.1%
41	Tunisia	2	0.1%
42	Taiwan	1	0.1%
43	Portugal	1	0.1%
44	Serbia	1	0.1%
45	South Sudan	1	0.1%
46	Lebanon	1	0.1%
47	Croatia	1	0.1%
48	Bosnia and Herzegovina	1	0.1%