Rank	Countries/Territories	Count	Percent
1	United States	465	37.8%
2	China	409	33.3%
3	Germany	84	6.8%
4		53	4.3%
5	Latvia	48	3.9%
6	Canada	34	2.8%
7	France	22	1.8%
8	Japan	16	1.3%
9	Korea, Republic of	15	1.2%
10	United Kingdom	9	0.7%
11	Norway	9	0.7%
12	Cyprus	7	0.6%
13	Hong Kong	6	0.5%
14	India	6	0.5%
15	Italy	5	0.4%
16	Taiwan	5	0.4%
17	Russia	5	0.4%
18	Netherlands	4	0.3%
19	Portugal	4	0.3%
20	Congo, The Democratic Republic of The	4	0.3%
21	Australia	3	0.2%
22	Singapore	3	0.2%
23	South Africa	2	0.2%
24	Argentina	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Ireland	2	0.2%
27	Bangladesh	1	0.1%
28	Spain	1	0.1%
29	Luxembourg	1	0.1%
30	Malaysia	1	0.1%
31	Mongolia	1	0.1%