Rank	Countries/Territories	Count	Percent
1	United States	620	50.5%
2	China	297	24.2%
3	Germany	102	8.3%
4		28	2.3%
5	India	22	1.8%
6	Taiwan	22	1.8%
7	Singapore	17	1.4%
8	France	17	1.4%
9	Japan	16	1.3%
10	Korea, Republic of	16	1.3%
11	Latvia	16	1.3%
12	Russia	8	0.7%
13	Canada	6	0.5%
14	Cyprus	5	0.4%
15	Hong Kong	5	0.4%
16	Netherlands	5	0.4%
17	Egypt	4	0.3%
18	Malaysia	3	0.2%
19	Indonesia	2	0.2%
20	Ireland	2	0.2%
21	Australia	2	0.2%
22	Cambodia	2	0.2%
23	New Zealand	2	0.2%
24	Thailand	2	0.2%
25	Ukraine	1	0.1%
26	United Kingdom	1	0.1%
27	Norway	1	0.1%
28	Romania	1	0.1%
29	Saudi Arabia	1	0.1%
30	Argentina	1	0.1%
31	Mongolia	1	0.1%