Rank	Countries/Territories	Count	Percent
1	United States	276	42.1%
2	China	169	25.8%
3	Germany	54	8.2%
4	United Kingdom	18	2.7%
5	India	17	2.6%
6		15	2.3%
7	France	14	2.1%
8	Portugal	10	1.5%
9	Singapore	9	1.4%
10	Hong Kong	8	1.2%
11	Tunisia	7	1.1%
12	Slovakia	5	0.8%
13	Netherlands	5	0.8%
14	Japan	5	0.8%
15	Australia	4	0.6%
16	Cyprus	4	0.6%
17	Sweden	4	0.6%
18	Ireland	3	0.5%
19	Palestine, State of	3	0.5%
20	Peru	3	0.5%
21	Spain	2	0.3%
22	Switzerland	2	0.3%
23	Turkey	2	0.3%
24	Canada	2	0.3%
25	Korea, Republic of	2	0.3%
26	Mexico	2	0.3%
27	Mongolia	2	0.3%
28	Lithuania	1	0.2%
29	Malaysia	1	0.2%
30	Kenya	1	0.2%
31	Indonesia	1	0.2%
32	Egypt	1	0.2%
33	Bangladesh	1	0.2%
34	Russia	1	0.2%
35	Poland	1	0.2%