Rank	Countries/Territories	Count	Percent
1	United States	635	37.7%
2	China	447	26.5%
3	Germany	178	10.6%
4	Italy	58	3.4%
5	Canada	40	2.4%
6	Singapore	32	1.9%
7	Japan	28	1.7%
8	France	27	1.6%
9	Ireland	24	1.4%
10	Spain	24	1.4%
11	Netherlands	20	1.2%
12	Taiwan	19	1.1%
13	Australia	18	1.1%
14	India	16	0.9%
15	Belgium	13	0.8%
16	Cyprus	13	0.8%
17	Korea, Republic of	11	0.7%
18	Kuwait	9	0.5%
19	Russia	6	0.4%
20	Turkey	6	0.4%
21	United Kingdom	6	0.4%
22	Romania	5	0.3%
23	South Africa	5	0.3%
24	Argentina	5	0.3%
25	Denmark	4	0.2%
26	Brazil	4	0.2%
27	Norway	4	0.2%
28	Mongolia	3	0.2%
29	Poland	3	0.2%
30	Hong Kong	3	0.2%
31	Ecuador	3	0.2%
32	Bangladesh	2	0.1%
33	Philippines	2	0.1%
34	Latvia	2	0.1%
35	Malaysia	2	0.1%
36	Ukraine	2	0.1%
37	Switzerland	1	0.1%
38	Mexico	1	0.1%
39	Portugal	1	0.1%
40	Saudi Arabia	1	0.1%
41	Slovenia	1	0.1%
42	Austria	1	0.1%
43	Guatemala	1	0.1%