Rank	Countries/Territories	Count	Percent
1	United States	191	37.2%
2	China	141	27.5%
3	Germany	39	7.6%
4	Romania	34	6.6%
5	Netherlands	24	4.7%
6	Japan	9	1.8%
7	United Kingdom	9	1.8%
8	Singapore	6	1.2%
9	Korea, Republic of	6	1.2%
10	Canada	5	1%
11	France	5	1%
12	Pakistan	5	1%
13	Hong Kong	4	0.8%
14	Cyprus	4	0.8%
15	India	3	0.6%
16	Spain	3	0.6%
17	Sweden	3	0.6%
18	Russia	3	0.6%
19	Taiwan	2	0.4%
20	Turkey	2	0.4%
21	Iran, Islamic Republic of	2	0.4%
22	Egypt	2	0.4%
23	Brazil	2	0.4%
24	Italy	2	0.4%
25	New Zealand	2	0.4%
26	Morocco	1	0.2%
27	Australia	1	0.2%
28	Ireland	1	0.2%
29	Ukraine	1	0.2%
30	Switzerland	1	0.2%