Rank	Countries/Territories	Count	Percent
1	United States	520	43.2%
2	China	242	20.1%
3	Germany	132	11%
4	Korea, Republic of	80	6.6%
5	Japan	34	2.8%
6	Canada	27	2.2%
7	India	17	1.4%
8	France	16	1.3%
9	Netherlands	16	1.3%
10	Taiwan	15	1.2%
11	Pakistan	10	0.8%
12	Hong Kong	10	0.8%
13	Brazil	10	0.8%
14	Cyprus	9	0.7%
15	Singapore	9	0.7%
16	United Kingdom	8	0.7%
17	Iran, Islamic Republic of	8	0.7%
18	Poland	7	0.6%
19	Malta	7	0.6%
20	Belgium	5	0.4%
21	Egypt	3	0.2%
22	Russia	3	0.2%
23	Turkey	2	0.2%
24	Peru	2	0.2%
25	Hungary	2	0.2%
26	Australia	2	0.2%
27	Bangladesh	1	0.1%
28	Argentina	1	0.1%
29	Colombia	1	0.1%
30	Costa Rica	1	0.1%
31	Ireland	1	0.1%
32	Italy	1	0.1%
33	Mexico	1	0.1%
34	Kyrgyzstan	1	0.1%
35	Spain	1	0.1%