Rank	Countries/Territories	Count	Percent
1	United States	673	40.5%
2	China	562	33.9%
3	Germany	119	7.2%
4	Russia	51	3.1%
5	Netherlands	49	3%
6	France	37	2.2%
7	Japan	28	1.7%
8	Australia	16	1%
9	Ukraine	15	0.9%
10	Romania	14	0.8%
11	Canada	13	0.8%
12	Korea, Republic of	11	0.7%
13	United Kingdom	7	0.4%
14	Cyprus	7	0.4%
15	Greece	6	0.4%
16	Italy	6	0.4%
17	Singapore	6	0.4%
18	Norway	5	0.3%
19	Brazil	5	0.3%
20	Taiwan	4	0.2%
21	Turkey	3	0.2%
22	Egypt	3	0.2%
23	Hong Kong	3	0.2%
24	India	2	0.1%
25	Austria	2	0.1%
26	Colombia	2	0.1%
27	Viet Nam	2	0.1%
28	Palestine, State of	1	0.1%
29	Mexico	1	0.1%
30	Spain	1	0.1%
31	Sweden	1	0.1%
32	Denmark	1	0.1%
33	Bangladesh	1	0.1%
34	Ireland	1	0.1%
35	Kazakhstan	1	0.1%
36	Guatemala	1	0.1%