Rank	Countries/Territories	Count	Percent
1	United States	810	36.4%
2	China	809	36.3%
3	Germany	182	8.2%
4	France	78	3.5%
5	Canada	72	3.2%
6	Japan	33	1.5%
7	Spain	29	1.3%
8	Netherlands	28	1.3%
9	Russia	27	1.2%
10	Singapore	22	1%
11	Korea, Republic of	13	0.6%
12	Hong Kong	13	0.6%
13	Ireland	11	0.5%
14	Romania	11	0.5%
15	India	10	0.4%
16	Australia	10	0.4%
17	Portugal	8	0.4%
18	United Kingdom	8	0.4%
19	South Africa	6	0.3%
20	Poland	6	0.3%
21	Cyprus	6	0.3%
22	Belgium	4	0.2%
23	Argentina	4	0.2%
24	Mongolia	3	0.1%
25	Latvia	3	0.1%
26	Malaysia	2	0.1%
27	Philippines	2	0.1%
28	Thailand	2	0.1%
29	Slovakia	2	0.1%
30	Guatemala	2	0.1%
31	Italy	2	0.1%
32	Brazil	2	0.1%
33	Austria	2	0.1%
34	Viet Nam	2	0.1%
35	Chile	1	0%
36	Mexico	1	0%