Rank	Countries/Territories	Count	Percent
1	United States	390	30.2%
2	China	220	17%
3	Japan	146	11.3%
4	Germany	104	8.1%
5	Singapore	93	7.2%
6	Italy	65	5%
7	Serbia	37	2.9%
8	India	37	2.9%
9	United Kingdom	25	1.9%
10	Hong Kong	18	1.4%
11	Korea, Republic of	14	1.1%
12	Brazil	13	1%
13	Russia	13	1%
14	Israel	13	1%
15	Netherlands	10	0.8%
16	Spain	9	0.7%
17	France	9	0.7%
18	Canada	8	0.6%
19	Ireland	7	0.5%
20	Romania	6	0.5%
21	Taiwan	6	0.5%
22	Cote D'ivoire	5	0.4%
23	Turkey	5	0.4%
24	Cyprus	4	0.3%
25	South Africa	4	0.3%
26	Sweden	3	0.2%
27	Norway	3	0.2%
28	Portugal	3	0.2%
29	Qatar	3	0.2%
30	Chile	3	0.2%
31	Australia	3	0.2%
32	Lithuania	2	0.2%
33	Hungary	2	0.2%
34	Iran, Islamic Republic of	2	0.2%
35	Tunisia	2	0.2%
36	New Zealand	1	0.1%
37	Mexico	1	0.1%
38	Greece	1	0.1%
39	Ukraine	1	0.1%