Rank	Countries/Territories	Count	Percent
1	United States	244	39.2%
2	China	146	23.4%
3	Germany	63	10.1%
4	Brazil	22	3.5%
5	Canada	19	3%
6	Taiwan	18	2.9%
7	France	17	2.7%
8	India	10	1.6%
9	Lithuania	8	1.3%
10	Poland	7	1.1%
11	Netherlands	6	1%
12	Singapore	6	1%
13	Japan	6	1%
14	Korea, Republic of	5	0.8%
15	Iran, Islamic Republic of	4	0.6%
16	Cyprus	4	0.6%
17	Egypt	4	0.6%
18	Turkey	4	0.6%
19	Australia	3	0.5%
20	Chile	2	0.3%
21	Ethiopia	2	0.3%
22	Hong Kong	2	0.3%
23	Latvia	2	0.3%
24	Italy	2	0.3%
25	South Africa	2	0.3%
26	Sri Lanka	2	0.3%
27	Sweden	2	0.3%
28	Russia	2	0.3%
29	Portugal	2	0.3%
30	Romania	1	0.2%
31	Mongolia	1	0.2%
32	Slovakia	1	0.2%
33	Switzerland	1	0.2%
34	Ukraine	1	0.2%
35	Ireland	1	0.2%
36	Argentina	1	0.2%