Rank	Countries/Territories	Count	Percent
1	United States	330	37.9%
2	China	257	29.5%
3	Germany	61	7%
4	Canada	16	1.8%
5	Japan	16	1.8%
6	France	16	1.8%
7	United Kingdom	14	1.6%
8	Korea, Republic of	13	1.5%
9	Saudi Arabia	13	1.5%
10	India	13	1.5%
11	Australia	11	1.3%
12	Netherlands	11	1.3%
13	Belgium	10	1.1%
14	Norway	7	0.8%
15	Ireland	6	0.7%
16	Hong Kong	5	0.6%
17	Cyprus	5	0.6%
18	Mexico	5	0.6%
19	Italy	4	0.5%
20	Brazil	4	0.5%
21	Bulgaria	4	0.5%
22	Turkey	4	0.5%
23	Thailand	3	0.3%
24	Viet Nam	3	0.3%
25	Indonesia	3	0.3%
26	Portugal	3	0.3%
27	Singapore	3	0.3%
28	Spain	3	0.3%
29	Macao	3	0.3%
30	Pakistan	2	0.2%
31	Peru	2	0.2%
32	Philippines	2	0.2%
33	Poland	2	0.2%
34	Nepal	2	0.2%
35	Egypt	2	0.2%
36	Cuba	2	0.2%
37	Ukraine	2	0.2%
38	Argentina	1	0.1%
39	Austria	1	0.1%
40	Ethiopia	1	0.1%
41	Romania	1	0.1%
42	Sweden	1	0.1%
43	Taiwan	1	0.1%
44	Slovenia	1	0.1%
45	Lithuania	1	0.1%