Rank	Countries/Territories	Count	Percent
1	United States	482	28.7%
2	China	421	25%
3	Japan	244	14.5%
4	Germany	147	8.7%
5	Singapore	49	2.9%
6	Ukraine	45	2.7%
7	Korea, Republic of	38	2.3%
8	India	24	1.4%
9	Sweden	23	1.4%
10	France	21	1.2%
11	United Kingdom	19	1.1%
12	Australia	16	1%
13	Belgium	15	0.9%
14	Netherlands	15	0.9%
15	Russia	14	0.8%
16	Canada	14	0.8%
17	Ireland	9	0.5%
18	Italy	8	0.5%
19	Iran, Islamic Republic of	8	0.5%
20	Cyprus	7	0.4%
21	Spain	6	0.4%
22	Taiwan	6	0.4%
23	Hong Kong	5	0.3%
24	Indonesia	4	0.2%
25	Malaysia	4	0.2%
26	Mexico	3	0.2%
27	Luxembourg	3	0.2%
28	Pakistan	3	0.2%
29	Greece	3	0.2%
30	Denmark	3	0.2%
31	Brazil	3	0.2%
32	Bangladesh	3	0.2%
33	Thailand	3	0.2%
34	Viet Nam	2	0.1%
35	Hungary	2	0.1%
36	Poland	2	0.1%
37	South Africa	2	0.1%
38	Sri Lanka	1	0.1%
39	Philippines	1	0.1%
40	Mongolia	1	0.1%
41	Morocco	1	0.1%
42	Georgia	1	0.1%