Rank	Countries/Territories	Count	Percent
1	United States	496	53.8%
2	China	108	11.7%
3	Germany	73	7.9%
4	India	44	4.8%
5	Canada	28	3%
6	Japan	24	2.6%
7	United Kingdom	15	1.6%
8	Australia	14	1.5%
9	Norway	10	1.1%
10	Korea, Republic of	9	1%
11	Brazil	9	1%
12	Hong Kong	8	0.9%
13	Netherlands	8	0.9%
14	Ireland	7	0.8%
15	Singapore	7	0.8%
16	Cyprus	6	0.7%
17	Spain	6	0.7%
18	Philippines	5	0.5%
19	Serbia	4	0.4%
20	Sri Lanka	3	0.3%
21	Sweden	3	0.3%
22	Poland	3	0.3%
23	Argentina	3	0.3%
24	Iran, Islamic Republic of	3	0.3%
25	Greece	3	0.3%
26	Turkey	3	0.3%
27	Indonesia	2	0.2%
28	Italy	2	0.2%
29	Cambodia	2	0.2%
30	Saudi Arabia	2	0.2%
31	Switzerland	1	0.1%
32	Taiwan	1	0.1%
33	Puerto Rico	1	0.1%
34	Romania	1	0.1%
35	Mexico	1	0.1%
36	Mongolia	1	0.1%
37	Nepal	1	0.1%
38	Ecuador	1	0.1%
39	France	1	0.1%
40	Iraq	1	0.1%
41	Ukraine	1	0.1%
42	South Africa	1	0.1%