Rank	Countries/Territories	Count	Percent
1	United States	558	48.1%
2	China	248	21.4%
3	Germany	109	9.4%
4	Singapore	30	2.6%
5	France	29	2.5%
6		21	1.8%
7	Netherlands	21	1.8%
8	Canada	15	1.3%
9	Japan	13	1.1%
10	Norway	12	1%
11	India	12	1%
12	Switzerland	12	1%
13	Turkey	12	1%
14	Korea, Republic of	10	0.9%
15	Cyprus	8	0.7%
16	Hong Kong	5	0.4%
17	Russia	5	0.4%
18	Serbia	4	0.3%
19	Poland	4	0.3%
20	United Kingdom	4	0.3%
21	Ukraine	3	0.3%
22	South Africa	3	0.3%
23	Ireland	3	0.3%
24	Italy	2	0.2%
25	Pakistan	2	0.2%
26	Latvia	2	0.2%
27	Australia	2	0.2%
28	Bangladesh	2	0.2%
29	Bulgaria	2	0.2%
30	Burkina Faso	2	0.2%
31	Argentina	1	0.1%
32	Malaysia	1	0.1%
33	Georgia	1	0.1%
34	Taiwan	1	0.1%