Rank	Countries/Territories	Count	Percent
1	United States	279	37.6%
2	China	246	33.1%
3	Germany	72	9.7%
4	Hong Kong	13	1.7%
5	Japan	13	1.7%
6	Russia	11	1.5%
7	Singapore	11	1.5%
8	France	9	1.2%
9	Ireland	8	1.1%
10	Italy	7	0.9%
11	Korea, Republic of	7	0.9%
12	Netherlands	6	0.8%
13	Thailand	6	0.8%
14	Taiwan	4	0.5%
15	United Kingdom	4	0.5%
16	Cyprus	4	0.5%
17	Egypt	4	0.5%
18	Canada	4	0.5%
19	Brazil	3	0.4%
20	Georgia	3	0.4%
21	India	3	0.4%
22	Trinidad and Tobago	3	0.4%
23	Mexico	3	0.4%
24	Switzerland	2	0.3%
25	Philippines	2	0.3%
26	Portugal	2	0.3%
27	Uzbekistan	2	0.3%
28	Luxembourg	2	0.3%
29	Iran, Islamic Republic of	1	0.1%
30	Albania	1	0.1%
31	Argentina	1	0.1%
32	Australia	1	0.1%
33	Turkey	1	0.1%
34	Uganda	1	0.1%
35	Ukraine	1	0.1%
36	Romania	1	0.1%
37	Norway	1	0.1%
38	South Africa	1	0.1%