Rank	Countries/Territories	Count	Percent
1	United States	253	31.5%
2	China	146	18.2%
3	Germany	73	9.1%
4	Brazil	66	8.2%
5	India	49	6.1%
6	Canada	34	4.2%
7	Korea, Republic of	32	4%
8	France	16	2%
9	Singapore	16	2%
10	Netherlands	15	1.9%
11	Latvia	13	1.6%
12	Hong Kong	10	1.2%
13	Belgium	7	0.9%
14	United Kingdom	7	0.9%
15	Czech Republic	6	0.7%
16	Ireland	6	0.7%
17	Italy	6	0.7%
18	Turkey	4	0.5%
19	Thailand	3	0.4%
20	Romania	3	0.4%
21	Egypt	3	0.4%
22	Bosnia and Herzegovina	3	0.4%
23	Bulgaria	3	0.4%
24	Cyprus	2	0.2%
25	Hungary	2	0.2%
26	Nigeria	2	0.2%
27	Morocco	2	0.2%
28	Portugal	2	0.2%
29	Iran, Islamic Republic of	1	0.1%
30	Pakistan	1	0.1%
31	Peru	1	0.1%
32	Jamaica	1	0.1%
33	Japan	1	0.1%
34	Jordan	1	0.1%
35	Mexico	1	0.1%
36	Mongolia	1	0.1%
37	Argentina	1	0.1%
38	Australia	1	0.1%
39	Azerbaijan	1	0.1%
40	Bangladesh	1	0.1%
41	Russia	1	0.1%
42	Saudi Arabia	1	0.1%
43	Slovakia	1	0.1%
44	Spain	1	0.1%
45	Switzerland	1	0.1%
46	Uzbekistan	1	0.1%