Rank	Countries/Territories	Count	Percent
1	United States	509	34.4%
2	China	401	27.1%
3	Germany	155	10.5%
4	Japan	76	5.1%
5	Australia	65	4.4%
6	Ireland	43	2.9%
7	Canada	34	2.3%
8	Korea, Republic of	26	1.8%
9	Singapore	23	1.6%
10	India	19	1.3%
11	France	18	1.2%
12	Netherlands	13	0.9%
13	Italy	11	0.7%
14	Spain	10	0.7%
15	Cyprus	8	0.5%
16	Hong Kong	8	0.5%
17	Austria	7	0.5%
18	Brazil	6	0.4%
19	Chile	5	0.3%
20	Taiwan	5	0.3%
21	Russia	5	0.3%
22	Ukraine	4	0.3%
23	United Kingdom	4	0.3%
24	Mexico	3	0.2%
25	Norway	3	0.2%
26	Turkey	3	0.2%
27	Denmark	3	0.2%
28	Iran, Islamic Republic of	2	0.1%
29	Croatia	2	0.1%
30	Latvia	2	0.1%
31	Lithuania	2	0.1%
32	New Zealand	1	0.1%
33	Bulgaria	1	0.1%
34	Argentina	1	0.1%