Rank	Countries/Territories	Count	Percent
1	United States	538	40.6%
2	China	293	22.1%
3	Germany	156	11.8%
4	Korea, Republic of	85	6.4%
5	Japan	35	2.6%
6	Canada	27	2%
7	India	21	1.6%
8	Netherlands	18	1.4%
9	France	16	1.2%
10	Taiwan	15	1.1%
11	Brazil	13	1%
12	Hong Kong	12	0.9%
13	Cyprus	10	0.8%
14	Pakistan	10	0.8%
15	Singapore	9	0.7%
16	United Kingdom	8	0.6%
17	Iran, Islamic Republic of	8	0.6%
18	Poland	7	0.5%
19	Malta	7	0.5%
20	Australia	5	0.4%
21	Belgium	5	0.4%
22	Russia	4	0.3%
23	Malaysia	3	0.2%
24	Egypt	3	0.2%
25	Hungary	2	0.2%
26	Turkey	2	0.2%
27	Peru	2	0.2%
28	Mexico	1	0.1%
29	Kyrgyzstan	1	0.1%
30	Ukraine	1	0.1%
31	Spain	1	0.1%
32	Ireland	1	0.1%
33	Italy	1	0.1%
34	Argentina	1	0.1%
35	Bangladesh	1	0.1%
36	Colombia	1	0.1%
37	Costa Rica	1	0.1%