Rank	Countries/Territories	Count	Percent
1	United States	351	43.6%
2	China	146	18.1%
3	Germany	105	13%
4	Ireland	26	3.2%
5	France	26	3.2%
6	Netherlands	25	3.1%
7	Canada	23	2.9%
8	Turkey	13	1.6%
9	Russia	12	1.5%
10	Sweden	12	1.5%
11	India	8	1%
12	Australia	6	0.7%
13	Cyprus	6	0.7%
14	Thailand	5	0.6%
15	United Kingdom	5	0.6%
16	Hong Kong	4	0.5%
17	Japan	4	0.5%
18	Korea, Republic of	3	0.4%
19	New Zealand	3	0.4%
20	Portugal	3	0.4%
21	Saudi Arabia	3	0.4%
22	Singapore	2	0.2%
23	Switzerland	2	0.2%
24	Taiwan	2	0.2%
25	Poland	2	0.2%
26	Denmark	2	0.2%
27	Albania	2	0.2%
28	Austria	1	0.1%
29	Brazil	1	0.1%
30	Lithuania	1	0.1%
31	Slovakia	1	0.1%