Rank	Countries/Territories	Count	Percent
1	United States	435	39.2%
2	China	351	31.6%
3	Germany	95	8.6%
4	Canada	53	4.8%
5	Japan	23	2.1%
6	France	19	1.7%
7	Poland	18	1.6%
8	Netherlands	17	1.5%
9	Cyprus	11	1%
10	Singapore	10	0.9%
11	Hong Kong	8	0.7%
12	Korea, Republic of	7	0.6%
13	Ireland	6	0.5%
14	India	5	0.5%
15	Argentina	4	0.4%
16	Australia	4	0.4%
17	Bulgaria	4	0.4%
18	Philippines	4	0.4%
19	Morocco	4	0.4%
20	United Kingdom	4	0.4%
21	Sweden	4	0.4%
22	Taiwan	3	0.3%
23	Russia	3	0.3%
24	Iraq	3	0.3%
25	Switzerland	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Israel	2	0.2%
28	Mauritius	2	0.2%
29	Mexico	2	0.2%
30	Moldova, Republic of	2	0.2%
31	Ukraine	1	0.1%
32	Slovakia	1	0.1%
33	Spain	1	0.1%
34	Romania	1	0.1%