Rank	Countries/Territories	Count	Percent
1	United States	552	38.6%
2	China	383	26.8%
3	Germany	201	14%
4	India	42	2.9%
5	Latvia	41	2.9%
6	France	35	2.4%
7	Canada	31	2.2%
8	Japan	27	1.9%
9	Netherlands	13	0.9%
10	Korea, Republic of	11	0.8%
11	Cyprus	10	0.7%
12	Singapore	10	0.7%
13	Colombia	7	0.5%
14	Hong Kong	7	0.5%
15	Czech Republic	6	0.4%
16	Russia	6	0.4%
17	Australia	5	0.3%
18	Argentina	4	0.3%
19	Ireland	4	0.3%
20	Norway	4	0.3%
21	Taiwan	4	0.3%
22	United Kingdom	3	0.2%
23	Spain	3	0.2%
24	Mexico	3	0.2%
25	Iran, Islamic Republic of	3	0.2%
26	Italy	2	0.1%
27	Bangladesh	2	0.1%
28	Lithuania	2	0.1%
29	Saudi Arabia	2	0.1%
30	Switzerland	2	0.1%
31	South Africa	2	0.1%
32	Ukraine	1	0.1%
33	Mongolia	1	0.1%
34	Denmark	1	0.1%
35	Lao People's Democratic Republic	1	0.1%