Rank	Countries/Territories	Count	Percent
1	United States	497	37.6%
2	China	389	29.4%
3	Germany	70	5.3%
4	Latvia	41	3.1%
5	Japan	24	1.8%
6	Switzerland	23	1.7%
7	Netherlands	20	1.5%
8	Sweden	20	1.5%
9	United Kingdom	18	1.4%
10	India	17	1.3%
11	Ireland	16	1.2%
12	Taiwan	16	1.2%
13	Cyprus	15	1.1%
14	France	15	1.1%
15	New Zealand	15	1.1%
16	Korea, Republic of	15	1.1%
17	Singapore	14	1.1%
18	Portugal	13	1%
19	Australia	13	1%
20	Canada	10	0.8%
21	Spain	10	0.8%
22	Romania	4	0.3%
23	Russia	4	0.3%
24	Greece	4	0.3%
25	Hong Kong	3	0.2%
26	Bulgaria	3	0.2%
27	Malaysia	3	0.2%
28	Poland	3	0.2%
29	South Africa	3	0.2%
30	Iran, Islamic Republic of	3	0.2%
31	Italy	3	0.2%
32	Turkey	3	0.2%
33	Thailand	2	0.2%
34	Brazil	2	0.2%
35	Czech Republic	2	0.2%
36	Indonesia	2	0.2%
37	Israel	1	0.1%
38	Iceland	1	0.1%
39	Argentina	1	0.1%
40	Norway	1	0.1%
41	Lithuania	1	0.1%
42	South Sudan	1	0.1%