Rank	Countries/Territories	Count	Percent
1	United States	521	39.3%
2	China	403	30.4%
3	Germany	90	6.8%
4	Taiwan	66	5%
5	Japan	45	3.4%
6	Canada	37	2.8%
7	India	32	2.4%
8	France	23	1.7%
9	Korea, Republic of	19	1.4%
10	Singapore	17	1.3%
11	Russia	13	1%
12	Netherlands	7	0.5%
13	Cyprus	6	0.5%
14		5	0.4%
15	Ireland	5	0.4%
16	Argentina	4	0.3%
17	Australia	4	0.3%
18	Hong Kong	3	0.2%
19	Serbia	3	0.2%
20	Ukraine	3	0.2%
21	United Kingdom	2	0.2%
22	Mongolia	2	0.2%
23	Spain	2	0.2%
24	Turkey	2	0.2%
25	Pakistan	2	0.2%
26	Italy	2	0.2%
27	Kyrgyzstan	2	0.2%
28	Macao	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Brazil	1	0.1%
31	Norway	1	0.1%
32	Romania	1	0.1%