Rank	Countries/Territories	Count	Percent
1	United States	559	39.8%
2	China	376	26.8%
3	Germany	140	10%
4	Japan	33	2.3%
5	United Kingdom	31	2.2%
6	India	27	1.9%
7	Hungary	18	1.3%
8	Turkey	18	1.3%
9	Netherlands	16	1.1%
10	France	15	1.1%
11	Canada	13	0.9%
12	Switzerland	13	0.9%
13	Ireland	12	0.9%
14	Cyprus	11	0.8%
15	Australia	10	0.7%
16	Iran, Islamic Republic of	10	0.7%
17	Singapore	9	0.6%
18	Korea, Republic of	8	0.6%
19	Ecuador	8	0.6%
20	Hong Kong	8	0.6%
21	Brazil	7	0.5%
22	Denmark	6	0.4%
23	Spain	6	0.4%
24	Mexico	6	0.4%
25	Sweden	5	0.4%
26	Italy	5	0.4%
27	Georgia	5	0.4%
28	Russia	4	0.3%
29	Thailand	4	0.3%
30	Romania	3	0.2%
31	Egypt	3	0.2%
32	Chile	2	0.1%
33	Palestine, State of	2	0.1%
34	Portugal	2	0.1%
35	Saudi Arabia	2	0.1%
36	Taiwan	2	0.1%
37	Ukraine	1	0.1%
38	Lithuania	1	0.1%
39	New Zealand	1	0.1%
40	Norway	1	0.1%
41	Austria	1	0.1%
42	Croatia	1	0.1%