Rank	Countries/Territories	Count	Percent
1	United States	453	31.3%
2	China	368	25.4%
3	Germany	119	8.2%
4	Japan	81	5.6%
5	Taiwan	43	3%
6	France	39	2.7%
7	Australia	36	2.5%
8	Netherlands	25	1.7%
9	Estonia	23	1.6%
10	Thailand	23	1.6%
11	Greece	18	1.2%
12	Ireland	16	1.1%
13	Russia	16	1.1%
14	Spain	16	1.1%
15	Romania	15	1%
16	United Kingdom	15	1%
17	Indonesia	14	1%
18	Kenya	11	0.8%
19	Italy	10	0.7%
20	Austria	9	0.6%
21	Brazil	9	0.6%
22	Canada	8	0.6%
23	Cyprus	8	0.6%
24	Ukraine	8	0.6%
25	India	7	0.5%
26	South Africa	7	0.5%
27	Switzerland	7	0.5%
28	Iran, Islamic Republic of	5	0.3%
29	Argentina	5	0.3%
30	Ethiopia	4	0.3%
31	Singapore	4	0.3%
32	Panama	4	0.3%
33	Turkey	4	0.3%
34	Qatar	3	0.2%
35	Norway	3	0.2%
36	Chile	3	0.2%
37	Egypt	2	0.1%
38	Hong Kong	2	0.1%
39	Mexico	2	0.1%
40	Lithuania	1	0.1%
41	Slovakia	1	0.1%
42	Colombia	1	0.1%