Rank	Countries/Territories	Count	Percent
1	United States	637	40.1%
2	China	509	32.1%
3	Germany	214	13.5%
4	France	51	3.2%
5	Canada	31	2%
6	Japan	14	0.9%
7	Netherlands	12	0.8%
8	Cyprus	11	0.7%
9	Korea, Republic of	10	0.6%
10	Russia	10	0.6%
11	Malaysia	7	0.4%
12	Hong Kong	7	0.4%
13	India	7	0.4%
14	Latvia	6	0.4%
15	Morocco	6	0.4%
16	Senegal	6	0.4%
17	Viet Nam	6	0.4%
18	Italy	5	0.3%
19	Argentina	5	0.3%
20	Australia	5	0.3%
21	Singapore	4	0.3%
22	Afghanistan	3	0.2%
23	Bangladesh	2	0.1%
24	Brazil	2	0.1%
25	Indonesia	2	0.1%
26	Iran, Islamic Republic of	2	0.1%
27	Sweden	2	0.1%
28	Taiwan	2	0.1%
29	Turkey	2	0.1%
30	Ukraine	2	0.1%
31	United Kingdom	2	0.1%
32	Norway	1	0.1%
33	Spain	1	0.1%
34	Iraq	1	0.1%
35	Luxembourg	1	0.1%