Rank	Countries/Territories	Count	Percent
1	United States	339	40%
2	China	204	24.1%
3	Germany	62	7.3%
4	India	37	4.4%
5	Canada	25	2.9%
6	France	20	2.4%
7	Singapore	16	1.9%
8	Korea, Republic of	16	1.9%
9	Saudi Arabia	14	1.7%
10	Iran, Islamic Republic of	13	1.5%
11	Netherlands	11	1.3%
12	Sweden	10	1.2%
13	Ireland	10	1.2%
14	Japan	9	1.1%
15	Malaysia	8	0.9%
16	Russia	8	0.9%
17	United Kingdom	6	0.7%
18	Cyprus	6	0.7%
19	Brazil	6	0.7%
20	Argentina	3	0.4%
21	Colombia	3	0.4%
22	Norway	3	0.4%
23	Puerto Rico	2	0.2%
24	Switzerland	2	0.2%
25	Taiwan	2	0.2%
26	Thailand	2	0.2%
27	Croatia	2	0.2%
28	Algeria	2	0.2%
29	Australia	2	0.2%
30	Bulgaria	1	0.1%
31	Hong Kong	1	0.1%
32	South Africa	1	0.1%
33	Romania	1	0.1%
34	Pakistan	1	0.1%