Rank	Countries/Territories	Count	Percent
1	China	379	35.3%
2	United States	335	31.2%
3	Germany	110	10.2%
4	Canada	42	3.9%
5		31	2.9%
6	France	27	2.5%
7	Japan	16	1.5%
8	Netherlands	15	1.4%
9	Iran, Islamic Republic of	12	1.1%
10	Singapore	11	1%
11	Norway	8	0.7%
12	Ireland	6	0.6%
13	Korea, Republic of	6	0.6%
14	South Africa	6	0.6%
15	Taiwan	6	0.6%
16	United Kingdom	6	0.6%
17	India	6	0.6%
18	Jamaica	5	0.5%
19	Russia	4	0.4%
20	Cyprus	4	0.4%
21	Argentina	4	0.4%
22	Australia	4	0.4%
23	Chile	4	0.4%
24	Egypt	3	0.3%
25	Colombia	2	0.2%
26	Croatia	2	0.2%
27	Hong Kong	2	0.2%
28	Brazil	2	0.2%
29	Bangladesh	2	0.2%
30	Serbia	2	0.2%
31	Mongolia	2	0.2%
32	Turkey	2	0.2%
33	Poland	2	0.2%
34	Puerto Rico	1	0.1%
35	Peru	1	0.1%
36	Malaysia	1	0.1%
37	Ukraine	1	0.1%
38	Switzerland	1	0.1%
39	Belgium	1	0.1%
40	Cambodia	1	0.1%