Rank	Countries/Territories	Count	Percent
1	United States	535	44.5%
2	China	272	22.6%
3	Germany	143	11.9%
4	Singapore	49	4.1%
5	India	26	2.2%
6	France	19	1.6%
7	Japan	13	1.1%
8	Netherlands	13	1.1%
9	Russia	11	0.9%
10	Norway	10	0.8%
11	Taiwan	10	0.8%
12	Ukraine	10	0.8%
13	Iran, Islamic Republic of	10	0.8%
14	Cyprus	9	0.7%
15	Ireland	8	0.7%
16	Canada	6	0.5%
17	United Kingdom	6	0.5%
18	Spain	5	0.4%
19	New Zealand	5	0.4%
20	Bangladesh	4	0.3%
21	Korea, Republic of	4	0.3%
22	Malaysia	4	0.3%
23	Italy	3	0.2%
24	Australia	3	0.2%
25	Palestine, State of	3	0.2%
26	Poland	2	0.2%
27	Romania	2	0.2%
28	Pakistan	2	0.2%
29	Greece	2	0.2%
30	Sweden	2	0.2%
31	Thailand	2	0.2%
32	Argentina	2	0.2%
33	Georgia	1	0.1%
34	Moldova, Republic of	1	0.1%
35	Mongolia	1	0.1%
36	Turkey	1	0.1%
37	Switzerland	1	0.1%
38	Hong Kong	1	0.1%