Rank	Countries/Territories	Count	Percent
1	United States	588	52.5%
2	China	266	23.8%
3	Germany	80	7.1%
4	India	43	3.8%
5	Canada	19	1.7%
6	Indonesia	12	1.1%
7	Australia	9	0.8%
8	Netherlands	8	0.7%
9	Spain	8	0.7%
10	Greece	7	0.6%
11	Japan	6	0.5%
12	Brazil	6	0.5%
13	Romania	5	0.4%
14	United Kingdom	5	0.4%
15	Turkey	5	0.4%
16	Korea, Republic of	4	0.4%
17	Cyprus	4	0.4%
18	Iran, Islamic Republic of	4	0.4%
19	Israel	4	0.4%
20	Italy	3	0.3%
21	Denmark	3	0.3%
22	Chile	3	0.3%
23	Kuwait	3	0.3%
24	Poland	3	0.3%
25	Taiwan	3	0.3%
26	Singapore	2	0.2%
27	Egypt	2	0.2%
28	Ghana	2	0.2%
29	Ireland	2	0.2%
30	Ukraine	2	0.2%
31	Finland	1	0.1%
32	France	1	0.1%
33	Sweden	1	0.1%
34	Russia	1	0.1%
35	Malaysia	1	0.1%
36	Nigeria	1	0.1%
37	Norway	1	0.1%
38	Pakistan	1	0.1%