Rank	Countries/Territories	Count	Percent
1	United States	208	34.7%
2	China	117	19.5%
3	Germany	49	8.2%
4	India	32	5.3%
5	Canada	30	5%
6	Netherlands	20	3.3%
7	Portugal	19	3.2%
8	Japan	15	2.5%
9	Ireland	13	2.2%
10	United Kingdom	13	2.2%
11	France	8	1.3%
12	Singapore	7	1.2%
13	Iran, Islamic Republic of	6	1%
14	Guatemala	6	1%
15	Cyprus	6	1%
16	Australia	5	0.8%
17	Hong Kong	5	0.8%
18		4	0.7%
19	Korea, Republic of	3	0.5%
20	Malaysia	3	0.5%
21	Switzerland	3	0.5%
22	Montenegro	2	0.3%
23	South Africa	2	0.3%
24	Spain	2	0.3%
25	Sweden	2	0.3%
26	Romania	2	0.3%
27	Ethiopia	2	0.3%
28	Belgium	2	0.3%
29	Bulgaria	2	0.3%
30	Chile	2	0.3%
31	Israel	2	0.3%
32	Kenya	2	0.3%
33	Italy	1	0.2%
34	Iraq	1	0.2%
35	Denmark	1	0.2%
36	Russia	1	0.2%
37	Ukraine	1	0.2%