Rank	Countries/Territories	Count	Percent
1	United States	586	46.2%
2	China	223	17.6%
3	Germany	116	9.1%
4	Canada	64	5%
5	Ireland	42	3.3%
6	South Africa	42	3.3%
7	France	36	2.8%
8	Japan	31	2.4%
9	Netherlands	13	1%
10	United Kingdom	13	1%
11	Singapore	10	0.8%
12	Hong Kong	10	0.8%
13	India	9	0.7%
14		9	0.7%
15	Australia	8	0.6%
16	Norway	8	0.6%
17	Korea, Republic of	6	0.5%
18	Cyprus	6	0.5%
19	Ukraine	5	0.4%
20	Spain	4	0.3%
21	Indonesia	4	0.3%
22	Greece	3	0.2%
23	Egypt	2	0.2%
24	Czech Republic	2	0.2%
25	Sweden	2	0.2%
26	Latvia	2	0.2%
27	Puerto Rico	2	0.2%
28	Romania	1	0.1%
29	New Zealand	1	0.1%
30	Malaysia	1	0.1%
31	Mongolia	1	0.1%
32	Switzerland	1	0.1%
33	Turkey	1	0.1%
34	Denmark	1	0.1%
35	Austria	1	0.1%
36	Argentina	1	0.1%
37	Israel	1	0.1%