Rank	Countries/Territories	Count	Percent
1	United States	347	41.4%
2	China	206	24.6%
3	Germany	92	11%
4	Canada	28	3.3%
5	France	20	2.4%
6	Singapore	17	2%
7	Netherlands	17	2%
8	Mexico	10	1.2%
9	Switzerland	10	1.2%
10	India	10	1.2%
11	Cyprus	9	1.1%
12	Japan	7	0.8%
13	Korea, Republic of	7	0.8%
14	Ecuador	6	0.7%
15	Ireland	6	0.7%
16	Australia	5	0.6%
17	Egypt	4	0.5%
18	Hong Kong	4	0.5%
19	Ethiopia	3	0.4%
20	Peru	3	0.4%
21	Ukraine	3	0.4%
22	United Kingdom	3	0.4%
23	Russia	3	0.4%
24	Viet Nam	2	0.2%
25	South Africa	2	0.2%
26	Norway	2	0.2%
27	Mongolia	2	0.2%
28	Colombia	2	0.2%
29	Indonesia	2	0.2%
30	Iran, Islamic Republic of	2	0.2%
31	Bangladesh	1	0.1%
32	Argentina	1	0.1%
33	Palestine, State of	1	0.1%
34	Philippines	1	0.1%
35	Romania	1	0.1%