Rank	Countries/Territories	Count	Percent
1	United States	642	38.8%
2	China	483	29.2%
3	Germany	130	7.9%
4	Canada	40	2.4%
5	France	37	2.2%
6	India	30	1.8%
7	Netherlands	30	1.8%
8	Taiwan	28	1.7%
9	Singapore	27	1.6%
10	Japan	26	1.6%
11	United Kingdom	22	1.3%
12	Trinidad and Tobago	21	1.3%
13	Australia	15	0.9%
14	Switzerland	13	0.8%
15	Peru	11	0.7%
16	Ukraine	10	0.6%
17	Cyprus	10	0.6%
18	Argentina	9	0.5%
19	United Arab Emirates	9	0.5%
20	Korea, Republic of	8	0.5%
21	Poland	6	0.4%
22	Iraq	6	0.4%
23	Ireland	5	0.3%
24	Mexico	5	0.3%
25	Russia	4	0.2%
26	Philippines	3	0.2%
27	Mongolia	3	0.2%
28	Iran, Islamic Republic of	3	0.2%
29	Hungary	3	0.2%
30	Bulgaria	2	0.1%
31	Bahrain	2	0.1%
32	Norway	2	0.1%
33	Turkey	2	0.1%
34	Sweden	2	0.1%
35	Thailand	2	0.1%
36	Serbia	1	0.1%
37	Bangladesh	1	0.1%
38	Ecuador	1	0.1%