Rank	Countries/Territories	Count	Percent
1	United States	463	37.3%
2	China	394	31.7%
3	Germany	105	8.5%
4		53	4.3%
5	Latvia	33	2.7%
6	India	26	2.1%
7	Sweden	20	1.6%
8	Korea, Republic of	20	1.6%
9	France	18	1.4%
10	Canada	18	1.4%
11	Singapore	14	1.1%
12	Cyprus	10	0.8%
13	Japan	9	0.7%
14	Netherlands	8	0.6%
15	United Kingdom	6	0.5%
16	Viet Nam	5	0.4%
17	Ireland	4	0.3%
18	Egypt	4	0.3%
19	Australia	4	0.3%
20	Guatemala	3	0.2%
21	Hong Kong	3	0.2%
22	Iran, Islamic Republic of	3	0.2%
23	Ukraine	3	0.2%
24	Poland	2	0.2%
25	Spain	2	0.2%
26	Russia	2	0.2%
27	Indonesia	2	0.2%
28	Luxembourg	2	0.2%
29	Argentina	2	0.2%
30	Macao	1	0.1%
31	Malta	1	0.1%
32	Romania	1	0.1%
33	Thailand	1	0.1%