Rank	Countries/Territories	Count	Percent
1	United States	157	33.4%
2	China	108	23%
3	Germany	55	11.7%
4	Japan	12	2.6%
5	Singapore	11	2.3%
6	Canada	11	2.3%
7	Ireland	10	2.1%
8	Netherlands	10	2.1%
9	Russia	8	1.7%
10	Taiwan	6	1.3%
11	France	6	1.3%
12	Hong Kong	6	1.3%
13	India	6	1.3%
14	Australia	6	1.3%
15	United Kingdom	6	1.3%
16	Slovenia	4	0.9%
17	Portugal	3	0.6%
18	United Arab Emirates	3	0.6%
19	Nigeria	3	0.6%
20	Pakistan	3	0.6%
21	Malaysia	3	0.6%
22	Cyprus	3	0.6%
23	Indonesia	3	0.6%
24	Italy	3	0.6%
25	Jamaica	2	0.4%
26	Iran, Islamic Republic of	2	0.4%
27	Bangladesh	2	0.4%
28	Argentina	2	0.4%
29	Mongolia	2	0.4%
30	Norway	2	0.4%
31	Turkey	2	0.4%
32	Ukraine	1	0.2%
33	Peru	1	0.2%
34	Morocco	1	0.2%
35	Armenia	1	0.2%
36	Brazil	1	0.2%
37	Denmark	1	0.2%
38	Ecuador	1	0.2%
39	Iraq	1	0.2%
40	Chile	1	0.2%
41	Viet Nam	1	0.2%