Rank	Countries/Territories	Count	Percent
1	United States	289	31.7%
2	China	226	24.8%
3	Germany	131	14.4%
4	Japan	61	6.7%
5	Korea, Republic of	26	2.9%
6	France	21	2.3%
7	Canada	19	2.1%
8	United Kingdom	18	2%
9	Netherlands	14	1.5%
10	Singapore	10	1.1%
11	Ukraine	7	0.8%
12	Australia	7	0.8%
13	Cyprus	7	0.8%
14	Poland	6	0.7%
15		6	0.7%
16	India	5	0.5%
17	Turkey	5	0.5%
18	Ethiopia	4	0.4%
19	Brazil	3	0.3%
20	Mexico	3	0.3%
21	Romania	3	0.3%
22	Lebanon	3	0.3%
23	Iran, Islamic Republic of	3	0.3%
24	Viet Nam	3	0.3%
25	Spain	3	0.3%
26	South Africa	2	0.2%
27	Switzerland	2	0.2%
28	Norway	2	0.2%
29	Thailand	2	0.2%
30	Ireland	2	0.2%
31	Israel	2	0.2%
32	Nepal	2	0.2%
33	Chile	2	0.2%
34	Finland	2	0.2%
35	Indonesia	1	0.1%
36	Georgia	1	0.1%
37	Guatemala	1	0.1%
38	Hong Kong	1	0.1%
39	Hungary	1	0.1%
40	Namibia	1	0.1%
41	Nigeria	1	0.1%
42	Italy	1	0.1%
43	Malaysia	1	0.1%
44	Taiwan	1	0.1%
45	Sweden	1	0.1%