Rank	Countries/Territories	Count	Percent
1	United States	494	41.9%
2	China	235	19.9%
3	Germany	75	6.4%
4	Australia	64	5.4%
5	United Kingdom	58	4.9%
6	Canada	31	2.6%
7	Ireland	30	2.5%
8	Switzerland	22	1.9%
9	Netherlands	18	1.5%
10	Japan	17	1.4%
11	India	16	1.4%
12	Spain	12	1%
13	France	12	1%
14	South Africa	10	0.8%
15	Romania	9	0.8%
16	Ukraine	7	0.6%
17	Cyprus	7	0.6%
18	Malaysia	7	0.6%
19	Israel	7	0.6%
20	Singapore	6	0.5%
21	Slovakia	5	0.4%
22	Sweden	5	0.4%
23	Hong Kong	5	0.4%
24	Russia	4	0.3%
25	Taiwan	3	0.3%
26	Argentina	3	0.3%
27	Bulgaria	2	0.2%
28	Italy	2	0.2%
29	Mexico	2	0.2%
30	Korea, Republic of	2	0.2%
31	Nigeria	2	0.2%
32	Pakistan	2	0.2%
33	Philippines	1	0.1%
34	Mongolia	1	0.1%
35	Brazil	1	0.1%
36	Czech Republic	1	0.1%