Rank	Countries/Territories	Count	Percent
1	United States	531	36.8%
2	China	370	25.7%
3	Canada	81	5.6%
4	India	81	5.6%
5	Germany	52	3.6%
6	Brazil	37	2.6%
7	Russia	21	1.5%
8	Korea, Republic of	17	1.2%
9	Ireland	16	1.1%
10	Hong Kong	16	1.1%
11	South Africa	16	1.1%
12	Netherlands	14	1%
13	Australia	13	0.9%
14	Spain	13	0.9%
15	Japan	12	0.8%
16	Latvia	12	0.8%
17	Malaysia	11	0.8%
18	Kazakhstan	11	0.8%
19	United Kingdom	10	0.7%
20	Pakistan	8	0.6%
21	Chile	8	0.6%
22	Indonesia	7	0.5%
23	Iran, Islamic Republic of	7	0.5%
24	Peru	7	0.5%
25	Kenya	6	0.4%
26	France	6	0.4%
27	Romania	5	0.3%
28	Singapore	5	0.3%
29	Philippines	4	0.3%
30	Jordan	4	0.3%
31	Ecuador	4	0.3%
32	Cyprus	4	0.3%
33	Argentina	4	0.3%
34	Slovakia	3	0.2%
35	Sweden	3	0.2%
36	Viet Nam	3	0.2%
37	Taiwan	3	0.2%
38	Slovenia	2	0.1%
39	Serbia	2	0.1%
40	Belgium	2	0.1%
41	Colombia	2	0.1%
42	Norway	2	0.1%
43	New Zealand	1	0.1%
44	Italy	1	0.1%
45	Nepal	1	0.1%
46	Denmark	1	0.1%
47	Switzerland	1	0.1%
48	Thailand	1	0.1%