Rank	Countries/Territories	Count	Percent
1	United States	452	42.4%
2	China	203	19%
3	Germany	114	10.7%
4	India	63	5.9%
5	Korea, Republic of	52	4.9%
6	Canada	25	2.3%
7	Japan	18	1.7%
8	Singapore	16	1.5%
9	France	15	1.4%
10	Netherlands	13	1.2%
11	Iran, Islamic Republic of	12	1.1%
12	Russia	11	1%
13	Italy	8	0.7%
14	Australia	7	0.7%
15	Cyprus	6	0.6%
16	Argentina	5	0.5%
17	Finland	5	0.5%
18	United Arab Emirates	5	0.5%
19	Taiwan	4	0.4%
20	Pakistan	4	0.4%
21	Lebanon	3	0.3%
22	United Kingdom	3	0.3%
23	Ireland	3	0.3%
24	Hungary	2	0.2%
25	Turkey	2	0.2%
26	Ukraine	2	0.2%
27	Sweden	2	0.2%
28	New Zealand	2	0.2%
29	Portugal	2	0.2%
30	Viet Nam	2	0.2%
31	Switzerland	1	0.1%
32	South Africa	1	0.1%
33	Hong Kong	1	0.1%
34	Brazil	1	0.1%
35	Ecuador	1	0.1%
36	Egypt	1	0.1%