Rank	Countries/Territories	Count	Percent
1	United States	641	43.3%
2	China	339	22.9%
3	Germany	209	14.1%
4		60	4%
5	France	35	2.4%
6	Netherlands	27	1.8%
7	Canada	23	1.6%
8	Japan	22	1.5%
9	India	17	1.1%
10	Cyprus	11	0.7%
11	Norway	9	0.6%
12	Russia	8	0.5%
13	Ireland	8	0.5%
14	Australia	7	0.5%
15	Singapore	6	0.4%
16	Korea, Republic of	5	0.3%
17	Mongolia	4	0.3%
18	Bangladesh	4	0.3%
19	Greece	4	0.3%
20	Hong Kong	4	0.3%
21	Brazil	3	0.2%
22	Chile	3	0.2%
23	Romania	3	0.2%
24	Latvia	3	0.2%
25	Malaysia	2	0.1%
26	Israel	2	0.1%
27	Pakistan	2	0.1%
28	Philippines	2	0.1%
29	Estonia	2	0.1%
30	United Kingdom	2	0.1%
31	Sweden	2	0.1%
32	Switzerland	2	0.1%
33	Taiwan	2	0.1%
34	Thailand	1	0.1%
35	Ukraine	1	0.1%
36	Denmark	1	0.1%
37	Hungary	1	0.1%
38	Croatia	1	0.1%
39	Portugal	1	0.1%
40	Slovenia	1	0.1%
41	Italy	1	0.1%
42	Mexico	1	0.1%