Rank	Countries/Territories	Count	Percent
1	United States	255	45.2%
2	China	156	27.7%
3	Germany	41	7.3%
4	Japan	16	2.8%
5	France	11	2%
6	Singapore	10	1.8%
7	Netherlands	10	1.8%
8	Ukraine	8	1.4%
9	United Kingdom	6	1.1%
10	Italy	6	1.1%
11	Chile	6	1.1%
12	Lithuania	6	1.1%
13	India	3	0.5%
14	Cyprus	3	0.5%
15	Egypt	3	0.5%
16	Australia	3	0.5%
17	Spain	3	0.5%
18	Sri Lanka	2	0.4%
19	Viet Nam	2	0.4%
20	Brazil	2	0.4%
21	Hong Kong	2	0.4%
22	Malaysia	2	0.4%
23	Korea, Republic of	2	0.4%
24	Ireland	1	0.2%
25	Canada	1	0.2%
26	Austria	1	0.2%
27	Syrian Arab Republic	1	0.2%
28	Turkey	1	0.2%
29	Norway	1	0.2%