Rank	Countries/Territories	Count	Percent
1	United States	542	47.9%
2	China	210	18.6%
3	Germany	56	5%
4	India	55	4.9%
5	Italy	52	4.6%
6	Russia	27	2.4%
7	Latvia	23	2%
8	Japan	23	2%
9	Argentina	16	1.4%
10	Netherlands	15	1.3%
11	Ireland	12	1.1%
12	Canada	11	1%
13	Israel	8	0.7%
14	Korea, Republic of	8	0.7%
15	Brazil	6	0.5%
16	South Africa	6	0.5%
17	Taiwan	5	0.4%
18	Denmark	5	0.4%
19	France	5	0.4%
20	United Kingdom	5	0.4%
21	Cyprus	4	0.4%
22	Australia	4	0.4%
23	Singapore	3	0.3%
24	Slovenia	3	0.3%
25	Turkey	3	0.3%
26	Ukraine	3	0.3%
27	Spain	2	0.2%
28	Portugal	2	0.2%
29	Djibouti	2	0.2%
30	Hong Kong	2	0.2%
31	Kazakhstan	1	0.1%
32	Bangladesh	1	0.1%
33	Qatar	1	0.1%
34	Saudi Arabia	1	0.1%
35	Norway	1	0.1%
36	Peru	1	0.1%
37	Mexico	1	0.1%
38	Sri Lanka	1	0.1%
39	Sweden	1	0.1%
40	Switzerland	1	0.1%
41	Syrian Arab Republic	1	0.1%
42	Slovakia	1	0.1%
43	Thailand	1	0.1%