Rank	Countries/Territories	Count	Percent
1	United States	227	38.1%
2	China	142	23.8%
3	Germany	73	12.2%
4	Japan	31	5.2%
5	Canada	19	3.2%
6	Hong Kong	9	1.5%
7	Bulgaria	8	1.3%
8	India	7	1.2%
9	Turkey	7	1.2%
10	Netherlands	7	1.2%
11	Nigeria	7	1.2%
12	Singapore	7	1.2%
13	Russia	6	1%
14	Malaysia	6	1%
15	France	6	1%
16	United Kingdom	5	0.8%
17	Cyprus	4	0.7%
18	Brazil	3	0.5%
19	Ireland	3	0.5%
20	Spain	3	0.5%
21	Thailand	2	0.3%
22	Latvia	2	0.3%
23	Italy	2	0.3%
24	Mauritius	2	0.3%
25	Cambodia	2	0.3%
26	Australia	1	0.2%
27	Korea, Republic of	1	0.2%
28	South Africa	1	0.2%
29	Norway	1	0.2%
30	Philippines	1	0.2%
31	Nicaragua	1	0.2%