Rank	Countries/Territories	Count	Percent
1	United States	219	37.4%
2	China	172	29.4%
3	Germany	28	4.8%
4	United Kingdom	14	2.4%
5	India	13	2.2%
6	Korea, Republic of	13	2.2%
7	Saudi Arabia	13	2.2%
8	France	12	2.1%
9	Canada	12	2.1%
10	Netherlands	9	1.5%
11	Japan	6	1%
12	Ireland	6	1%
13	Australia	6	1%
14	Belgium	6	1%
15	Italy	4	0.7%
16	Bulgaria	4	0.7%
17	Turkey	4	0.7%
18	Viet Nam	3	0.5%
19	Indonesia	3	0.5%
20	Cyprus	3	0.5%
21	Macao	3	0.5%
22	Mexico	3	0.5%
23	Singapore	3	0.5%
24	Portugal	3	0.5%
25	Spain	3	0.5%
26	Nepal	2	0.3%
27	Norway	2	0.3%
28	Egypt	2	0.3%
29	Hong Kong	2	0.3%
30	Ukraine	2	0.3%
31	Ethiopia	1	0.2%
32	Brazil	1	0.2%
33	Austria	1	0.2%
34	Pakistan	1	0.2%
35	Lithuania	1	0.2%
36	Sweden	1	0.2%
37	Taiwan	1	0.2%
38	Thailand	1	0.2%
39	Romania	1	0.2%
40	Slovenia	1	0.2%