Rank	Countries/Territories	Count	Percent
1	United States	452	37.1%
2	China	421	34.6%
3	Germany	127	10.4%
4	India	37	3%
5	Canada	20	1.6%
6	Netherlands	17	1.4%
7	France	15	1.2%
8	Singapore	14	1.2%
9	Russia	12	1%
10	Japan	11	0.9%
11		11	0.9%
12	Argentina	8	0.7%
13	Cyprus	8	0.7%
14	Iran, Islamic Republic of	8	0.7%
15	Korea, Republic of	6	0.5%
16	Ireland	5	0.4%
17	Australia	4	0.3%
18	Uganda	4	0.3%
19	United Kingdom	4	0.3%
20	Taiwan	3	0.2%
21	Saudi Arabia	3	0.2%
22	Mexico	3	0.2%
23	Mongolia	3	0.2%
24	Italy	3	0.2%
25	Greece	3	0.2%
26	Indonesia	2	0.2%
27	Iraq	2	0.2%
28	Bangladesh	2	0.2%
29	Portugal	2	0.2%
30	Ukraine	2	0.2%
31	Spain	1	0.1%
32	Pakistan	1	0.1%
33	Palestine, State of	1	0.1%
34	Croatia	1	0.1%
35	Hong Kong	1	0.1%