Rank	Countries/Territories	Count	Percent
1	United States	529	40.4%
2	China	447	34.2%
3	Germany	118	9%
4	Russia	51	3.9%
5	France	20	1.5%
6	Ukraine	14	1.1%
7	Netherlands	14	1.1%
8	Romania	13	1%
9	Japan	13	1%
10	Australia	13	1%
11	Korea, Republic of	11	0.8%
12	Canada	9	0.7%
13	United Kingdom	7	0.5%
14	Greece	6	0.5%
15	Italy	6	0.5%
16	Cyprus	5	0.4%
17	Taiwan	4	0.3%
18	Singapore	4	0.3%
19	Turkey	3	0.2%
20	Egypt	3	0.2%
21	India	2	0.2%
22	Colombia	2	0.2%
23	Austria	2	0.2%
24	Norway	2	0.2%
25	Palestine, State of	1	0.1%
26	Spain	1	0.1%
27	Sweden	1	0.1%
28	Mexico	1	0.1%
29	Kazakhstan	1	0.1%
30	Bangladesh	1	0.1%
31	Brazil	1	0.1%
32	Denmark	1	0.1%
33	Ireland	1	0.1%
34	Guatemala	1	0.1%