Rank	Countries/Territories	Count	Percent
1	United States	408	39.9%
2	China	309	30.2%
3	Germany	90	8.8%
4	Canada	48	4.7%
5	Japan	20	2%
6	France	19	1.9%
7	Poland	18	1.8%
8	Netherlands	14	1.4%
9	Cyprus	11	1.1%
10	Singapore	9	0.9%
11	Korea, Republic of	7	0.7%
12	Hong Kong	7	0.7%
13	Ireland	6	0.6%
14	India	5	0.5%
15	Bulgaria	4	0.4%
16	Argentina	4	0.4%
17	Philippines	4	0.4%
18	Morocco	4	0.4%
19	United Kingdom	4	0.4%
20	Sweden	4	0.4%
21	Taiwan	3	0.3%
22	Russia	3	0.3%
23	Australia	3	0.3%
24	Iraq	3	0.3%
25	Mauritius	2	0.2%
26	Mexico	2	0.2%
27	Moldova, Republic of	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Israel	2	0.2%
30	Switzerland	2	0.2%
31	Ukraine	1	0.1%
32	Slovakia	1	0.1%
33	Spain	1	0.1%