Rank	Countries/Territories	Count	Percent
1	United States	429	35.1%
2	China	351	28.7%
3	Canada	76	6.2%
4	India	63	5.2%
5	Germany	37	3%
6	Brazil	34	2.8%
7	Russia	18	1.5%
8	Korea, Republic of	16	1.3%
9	Hong Kong	16	1.3%
10	South Africa	16	1.3%
11	Australia	13	1.1%
12	Ireland	12	1%
13	Latvia	12	1%
14	Japan	12	1%
15	Kazakhstan	11	0.9%
16	Netherlands	11	0.9%
17	Pakistan	8	0.7%
18	United Kingdom	7	0.6%
19	Iran, Islamic Republic of	6	0.5%
20	France	6	0.5%
21	Indonesia	5	0.4%
22	Romania	5	0.4%
23	Spain	4	0.3%
24	Ecuador	4	0.3%
25	Argentina	4	0.3%
26	Cyprus	4	0.3%
27	Jordan	4	0.3%
28	Malaysia	4	0.3%
29	Philippines	3	0.2%
30	Chile	3	0.2%
31	Sweden	3	0.2%
32	Singapore	3	0.2%
33	Slovakia	3	0.2%
34	Taiwan	3	0.2%
35	Slovenia	2	0.2%
36	Serbia	2	0.2%
37	Norway	2	0.2%
38	Kenya	2	0.2%
39	Nepal	1	0.1%
40	New Zealand	1	0.1%
41	Denmark	1	0.1%
42	Belgium	1	0.1%
43	Italy	1	0.1%
44	Thailand	1	0.1%
45	Switzerland	1	0.1%