Rank	Countries/Territories	Count	Percent
1	United States	289	43.3%
2	China	180	27%
3	Germany	62	9.3%
4	Japan	16	2.4%
5	Ireland	10	1.5%
6	Singapore	9	1.3%
7	Mexico	7	1%
8	Netherlands	5	0.7%
9	Jordan	5	0.7%
10	Egypt	5	0.7%
11	Colombia	5	0.7%
12	United Kingdom	5	0.7%
13	Viet Nam	4	0.6%
14	Cyprus	4	0.6%
15	Brazil	4	0.6%
16	Korea, Republic of	4	0.6%
17	South Africa	4	0.6%
18	Russia	4	0.6%
19	Turkey	3	0.4%
20	Philippines	3	0.4%
21	Poland	3	0.4%
22	Lebanon	3	0.4%
23	France	3	0.4%
24	Australia	3	0.4%
25	Chile	3	0.4%
26	Bangladesh	2	0.3%
27	Portugal	2	0.3%
28	Peru	2	0.3%
29	Hong Kong	2	0.3%
30	Hungary	2	0.3%
31	Spain	2	0.3%
32	Switzerland	2	0.3%
33	Syrian Arab Republic	1	0.1%
34	Saudi Arabia	1	0.1%
35	Serbia	1	0.1%
36	India	1	0.1%
37	Moldova, Republic of	1	0.1%
38	Nepal	1	0.1%
39	Bulgaria	1	0.1%
40	Canada	1	0.1%
41	Argentina	1	0.1%
42	Greece	1	0.1%