Rank	Countries/Territories	Count	Percent
1	United States	438	35.6%
2	China	236	19.2%
3	Germany	130	10.6%
4	Latvia	45	3.7%
5	France	33	2.7%
6	Japan	30	2.4%
7		28	2.3%
8	Netherlands	21	1.7%
9	Spain	20	1.6%
10	Italy	17	1.4%
11	Korea, Republic of	16	1.3%
12	Hong Kong	16	1.3%
13	Pakistan	16	1.3%
14	Iran, Islamic Republic of	12	1%
15	Australia	11	0.9%
16	Canada	11	0.9%
17	Cyprus	11	0.9%
18	Colombia	10	0.8%
19	Sweden	10	0.8%
20	United Kingdom	10	0.8%
21	Turkey	9	0.7%
22	India	9	0.7%
23	Portugal	8	0.7%
24	Ukraine	8	0.7%
25	Singapore	8	0.7%
26	Thailand	6	0.5%
27	Mexico	6	0.5%
28	Argentina	6	0.5%
29	Bulgaria	5	0.4%
30	Switzerland	5	0.4%
31	Russia	4	0.3%
32	Belgium	4	0.3%
33	Ireland	4	0.3%
34	Chile	3	0.2%
35	Greece	3	0.2%
36	Egypt	3	0.2%
37	Bangladesh	2	0.2%
38	Moldova, Republic of	2	0.2%
39	Serbia	2	0.2%
40	Morocco	2	0.2%
41	South Africa	1	0.1%
42	Taiwan	1	0.1%
43	Mongolia	1	0.1%
44	Lithuania	1	0.1%
45	Malaysia	1	0.1%
46	Romania	1	0.1%
47	New Zealand	1	0.1%
48	Norway	1	0.1%
49	Finland	1	0.1%
50	Ecuador	1	0.1%