Rank	Countries/Territories	Count	Percent
1	United States	453	34.9%
2	China	271	20.9%
3	Germany	130	10%
4	Latvia	51	3.9%
5	France	36	2.8%
6	Japan	34	2.6%
7		28	2.2%
8	Netherlands	21	1.6%
9	Spain	20	1.5%
10	Korea, Republic of	18	1.4%
11	Italy	17	1.3%
12	Hong Kong	16	1.2%
13	Pakistan	16	1.2%
14	Iran, Islamic Republic of	12	0.9%
15	Australia	11	0.8%
16	Canada	11	0.8%
17	Cyprus	11	0.8%
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	0.6%
24	Ukraine	8	0.6%
25	Singapore	8	0.6%
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	Sri Lanka	3	0.2%
38	Serbia	2	0.2%
39	Morocco	2	0.2%
40	Bangladesh	2	0.2%
41	Moldova, Republic of	2	0.2%
42	Mongolia	1	0.1%
43	Lithuania	1	0.1%
44	Malaysia	1	0.1%
45	Romania	1	0.1%
46	New Zealand	1	0.1%
47	Norway	1	0.1%
48	Finland	1	0.1%
49	Ecuador	1	0.1%
50	South Africa	1	0.1%
51	Taiwan	1	0.1%