Rank	Countries/Territories	Count	Percent
1	United States	619	39.5%
2	China	431	27.5%
3	Germany	167	10.7%
4	Canada	94	6%
5	Australia	37	2.4%
6	United Kingdom	26	1.7%
7	Netherlands	23	1.5%
8	France	21	1.3%
9	Spain	16	1%
10		15	1%
11	Singapore	13	0.8%
12	Japan	13	0.8%
13	Russia	12	0.8%
14	Ukraine	10	0.6%
15	Ireland	7	0.4%
16	Iraq	5	0.3%
17	India	5	0.3%
18	Italy	5	0.3%
19	Indonesia	4	0.3%
20	Cyprus	4	0.3%
21	Brazil	3	0.2%
22	Iran, Islamic Republic of	3	0.2%
23	Hong Kong	3	0.2%
24	Nepal	3	0.2%
25	Oman	3	0.2%
26	Viet Nam	3	0.2%
27	Philippines	2	0.1%
28	Romania	2	0.1%
29	Taiwan	2	0.1%
30	Tunisia	2	0.1%
31	Turkey	2	0.1%
32	Saudi Arabia	2	0.1%
33	Sweden	2	0.1%
34	Switzerland	1	0.1%
35	Norway	1	0.1%
36	Mexico	1	0.1%
37	Hungary	1	0.1%
38	Israel	1	0.1%
39	Denmark	1	0.1%
40	Finland	1	0.1%