Rank	Countries/Territories	Count	Percent
1	United States	297	38.6%
2	China	193	25.1%
3	Germany	60	7.8%
4	Canada	24	3.1%
5	Netherlands	22	2.9%
6	France	20	2.6%
7	Ireland	16	2.1%
8	Australia	14	1.8%
9	India	11	1.4%
10	Japan	11	1.4%
11	United Kingdom	9	1.2%
12	Peru	7	0.9%
13	Romania	7	0.9%
14	Russia	6	0.8%
15	Philippines	5	0.6%
16	Brazil	5	0.6%
17	Singapore	4	0.5%
18	Malaysia	4	0.5%
19	Pakistan	4	0.5%
20	Spain	4	0.5%
21	Turkey	3	0.4%
22	Indonesia	3	0.4%
23	Argentina	3	0.4%
24	Austria	2	0.3%
25	Hong Kong	2	0.3%
26	Cyprus	2	0.3%
27	New Zealand	2	0.3%
28	Norway	2	0.3%
29	Mexico	2	0.3%
30	Mongolia	2	0.3%
31	South Africa	2	0.3%
32	Poland	2	0.3%
33	Ukraine	2	0.3%
34	Sri Lanka	2	0.3%
35	Sweden	2	0.3%
36	Switzerland	2	0.3%
37	Taiwan	2	0.3%
38	Tunisia	1	0.1%
39	Qatar	1	0.1%
40	Serbia	1	0.1%
41	Namibia	1	0.1%
42	Palestine, State of	1	0.1%
43	Fiji	1	0.1%
44	Bosnia and Herzegovina	1	0.1%
45	Angola	1	0.1%
46	Chile	1	0.1%
47	Colombia	1	0.1%