Rank	Countries/Territories	Count	Percent
1	United States	501	31.5%
2	China	406	25.6%
3	Germany	88	5.5%
4	Korea, Republic of	63	4%
5	Singapore	56	3.5%
6	Russia	46	2.9%
7	Portugal	32	2%
8	Poland	29	1.8%
9	Hong Kong	29	1.8%
10	Japan	28	1.8%
11	Italy	27	1.7%
12	India	26	1.6%
13	Spain	25	1.6%
14	France	22	1.4%
15	Romania	21	1.3%
16	United Kingdom	17	1.1%
17	Netherlands	17	1.1%
18	Czech Republic	16	1%
19	Australia	12	0.8%
20	Iran, Islamic Republic of	12	0.8%
21	Taiwan	11	0.7%
22	Brazil	10	0.6%
23	Ecuador	10	0.6%
24	New Zealand	8	0.5%
25	Ireland	7	0.4%
26	Canada	7	0.4%
27	Peru	7	0.4%
28	Thailand	5	0.3%
29	Cyprus	5	0.3%
30	Greece	5	0.3%
31	Hungary	4	0.3%
32	Belgium	4	0.3%
33	Indonesia	3	0.2%
34	Pakistan	3	0.2%
35	Bangladesh	3	0.2%
36	Belarus	3	0.2%
37	Turkey	3	0.2%
38	Ukraine	2	0.1%
39	Viet Nam	2	0.1%
40	Estonia	2	0.1%
41	Georgia	2	0.1%
42	Austria	1	0.1%
43	Norway	1	0.1%
44	Lebanon	1	0.1%
45	Luxembourg	1	0.1%
46	Malaysia	1	0.1%
47	Iraq	1	0.1%
48	Israel	1	0.1%
49	Switzerland	1	0.1%
50	Slovakia	1	0.1%