Rank	Countries/Territories	Count	Percent
1	United States	587	53.3%
2	China	215	19.5%
3	Germany	141	12.8%
4	India	34	3.1%
5	Hong Kong	17	1.5%
6	Japan	17	1.5%
7	Canada	17	1.5%
8	Netherlands	13	1.2%
9	Nigeria	10	0.9%
10	Korea, Republic of	7	0.6%
11	Ireland	6	0.5%
12	United Kingdom	6	0.5%
13	Cyprus	5	0.5%
14	Bulgaria	3	0.3%
15	Australia	3	0.3%
16	Austria	2	0.2%
17	Denmark	2	0.2%
18	Egypt	2	0.2%
19	Singapore	2	0.2%
20	South Africa	2	0.2%
21	Philippines	2	0.2%
22	Portugal	2	0.2%
23	Russia	1	0.1%
24	Turkey	1	0.1%
25	France	1	0.1%
26	Brazil	1	0.1%
27	Italy	1	0.1%
28	Mongolia	1	0.1%
29	Indonesia	1	0.1%