Rank	Countries/Territories	Count	Percent
1	United States	422	43.3%
2	China	206	21.1%
3	Germany	98	10.1%
4	Japan	46	4.7%
5	Egypt	25	2.6%
6	Netherlands	18	1.8%
7	Singapore	17	1.7%
8	France	17	1.7%
9	Chile	16	1.6%
10	Australia	15	1.5%
11	Poland	10	1%
12	Korea, Republic of	9	0.9%
13	Turkey	8	0.8%
14	Greece	8	0.8%
15	Ukraine	7	0.7%
16	Thailand	5	0.5%
17	Hong Kong	5	0.5%
18	Belgium	5	0.5%
19	Cyprus	4	0.4%
20	United Kingdom	4	0.4%
21	Indonesia	3	0.3%
22	Romania	3	0.3%
23	Austria	3	0.3%
24	Brazil	2	0.2%
25	Spain	2	0.2%
26	Italy	2	0.2%
27	Switzerland	2	0.2%
28	Sweden	1	0.1%
29	Russia	1	0.1%
30	Norway	1	0.1%
31	Palestine, State of	1	0.1%
32	Iran, Islamic Republic of	1	0.1%
33	Ireland	1	0.1%
34	Canada	1	0.1%
35	Czech Republic	1	0.1%
36	Denmark	1	0.1%
37	Colombia	1	0.1%
38	India	1	0.1%
39	Finland	1	0.1%