Rank	Countries/Territories	Count	Percent
1	United States	189	37.8%
2	China	128	25.6%
3	Germany	57	11.4%
4	India	31	6.2%
5	United Kingdom	17	3.4%
6	Japan	6	1.2%
7	Singapore	6	1.2%
8	France	6	1.2%
9	Iran, Islamic Republic of	5	1%
10	Mexico	5	1%
11	Russia	5	1%
12	Ukraine	4	0.8%
13	Netherlands	4	0.8%
14	Norway	4	0.8%
15	Romania	3	0.6%
16	Guatemala	3	0.6%
17	Australia	3	0.6%
18	Bahrain	3	0.6%
19	Sweden	3	0.6%
20	Taiwan	2	0.4%
21	Thailand	2	0.4%
22	Korea, Republic of	2	0.4%
23	Uganda	2	0.4%
24	Brazil	2	0.4%
25	Cyprus	2	0.4%
26	Italy	2	0.4%
27	Georgia	1	0.2%
28	Canada	1	0.2%
29	Serbia	1	0.2%
30	Turkey	1	0.2%