Rank	Countries/Territories	Count	Percent
1	United States	319	37.1%
2	China	213	24.8%
3	Germany	98	11.4%
4	India	33	3.8%
5	Canada	28	3.3%
6	Netherlands	23	2.7%
7	Ireland	21	2.4%
8	Egypt	14	1.6%
9	Australia	14	1.6%
10	United Kingdom	13	1.5%
11	Cyprus	8	0.9%
12	France	8	0.9%
13	Indonesia	7	0.8%
14	Russia	6	0.7%
15	Singapore	6	0.7%
16	Spain	5	0.6%
17	Japan	5	0.6%
18	Nigeria	4	0.5%
19	Israel	2	0.2%
20	Italy	2	0.2%
21	Mongolia	2	0.2%
22	Romania	2	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	Iraq	2	0.2%
25	Greece	2	0.2%
26	Hong Kong	2	0.2%
27	Hungary	2	0.2%
28	Czech Republic	2	0.2%
29	Denmark	2	0.2%
30	Bangladesh	2	0.2%
31	Argentina	2	0.2%
32	Saudi Arabia	1	0.1%
33	Serbia	1	0.1%
34	Thailand	1	0.1%
35	Ukraine	1	0.1%
36	United Arab Emirates	1	0.1%
37	Pakistan	1	0.1%
38	Libya	1	0.1%
39	Malaysia	1	0.1%
40	South Africa	1	0.1%