Rank	Countries/Territories	Count	Percent
1	United States	239	36.4%
2	China	187	28.5%
3	Germany	61	9.3%
4	Korea, Republic of	19	2.9%
5	Japan	13	2%
6	India	13	2%
7	Singapore	11	1.7%
8	Netherlands	11	1.7%
9	Australia	10	1.5%
10	Taiwan	9	1.4%
11	Iran, Islamic Republic of	7	1.1%
12	Israel	6	0.9%
13	Spain	6	0.9%
14	Sweden	6	0.9%
15	Russia	6	0.9%
16	Turkey	5	0.8%
17	Romania	5	0.8%
18	Philippines	4	0.6%
19	Malaysia	3	0.5%
20	United Kingdom	3	0.5%
21	Ireland	3	0.5%
22	Hong Kong	2	0.3%
23	Hungary	2	0.3%
24	Bangladesh	2	0.3%
25	Brazil	2	0.3%
26	Canada	2	0.3%
27	Czech Republic	2	0.3%
28	France	2	0.3%
29	Switzerland	2	0.3%
30	Mauritius	2	0.3%
31	Portugal	2	0.3%
32	Norway	1	0.2%
33	Mexico	1	0.2%
34	Lebanon	1	0.2%
35	South Africa	1	0.2%
36	Ghana	1	0.2%
37	Chile	1	0.2%
38	Belgium	1	0.2%
39	Indonesia	1	0.2%
40	Italy	1	0.2%
41	Jamaica	1	0.2%