Rank	Countries/Territories	Count	Percent
1	United States	537	50.2%
2	China	221	20.7%
3	Germany	71	6.6%
4	India	50	4.7%
5	Japan	33	3.1%
6	Italy	14	1.3%
7	Singapore	13	1.2%
8	United Kingdom	11	1%
9	Canada	11	1%
10	Russia	10	0.9%
11	Israel	10	0.9%
12	Hong Kong	9	0.8%
13	Australia	9	0.8%
14	Korea, Republic of	8	0.7%
15	Netherlands	8	0.7%
16	Philippines	7	0.7%
17	Sweden	6	0.6%
18	France	6	0.6%
19	Ireland	5	0.5%
20	Spain	5	0.5%
21	Argentina	5	0.5%
22	Thailand	3	0.3%
23	Ukraine	2	0.2%
24	Belgium	2	0.2%
25	Dominican Republic	2	0.2%
26	Greece	2	0.2%
27	Hungary	1	0.1%
28	Indonesia	1	0.1%
29	Brazil	1	0.1%
30	Denmark	1	0.1%
31	Albania	1	0.1%
32	Austria	1	0.1%
33	Poland	1	0.1%
34	Mexico	1	0.1%
35	Mongolia	1	0.1%