Rank	Countries/Territories	Count	Percent
1	United States	223	33.5%
2	China	134	20.2%
3	Germany	49	7.4%
4	India	32	4.8%
5	Canada	31	4.7%
6		29	4.4%
7	Netherlands	23	3.5%
8	Portugal	19	2.9%
9	Japan	15	2.3%
10	United Kingdom	14	2.1%
11	Ireland	13	2%
12	France	9	1.4%
13	Singapore	7	1.1%
14	Guatemala	6	0.9%
15	Iran, Islamic Republic of	6	0.9%
16	Australia	6	0.9%
17	Cyprus	6	0.9%
18	Hong Kong	5	0.8%
19	Switzerland	3	0.5%
20	Korea, Republic of	3	0.5%
21	Malaysia	3	0.5%
22	Kenya	2	0.3%
23	Romania	2	0.3%
24	Montenegro	2	0.3%
25	South Africa	2	0.3%
26	Spain	2	0.3%
27	Sweden	2	0.3%
28	Ethiopia	2	0.3%
29	Israel	2	0.3%
30	Chile	2	0.3%
31	Belgium	2	0.3%
32	Bulgaria	2	0.3%
33	Argentina	1	0.2%
34	Denmark	1	0.2%
35	Italy	1	0.2%
36	Iraq	1	0.2%
37	Ukraine	1	0.2%
38	Russia	1	0.2%
39	Mongolia	1	0.2%