Rank	Countries/Territories	Count	Percent
1	United States	325	36%
2	China	104	11.5%
3	India	60	6.6%
4	Canada	51	5.6%
5	Germany	50	5.5%
6	Netherlands	28	3.1%
7	Italy	24	2.7%
8	Singapore	21	2.3%
9	Spain	21	2.3%
10	Indonesia	17	1.9%
11	France	13	1.4%
12	Ireland	13	1.4%
13	Brazil	12	1.3%
14	Taiwan	12	1.3%
15	United Kingdom	12	1.3%
16	Korea, Republic of	11	1.2%
17	Mexico	11	1.2%
18	Greece	10	1.1%
19	Thailand	10	1.1%
20	Romania	10	1.1%
21	Denmark	7	0.8%
22	Israel	7	0.8%
23	Japan	4	0.4%
24	Cyprus	4	0.4%
25	Pakistan	4	0.4%
26	Hong Kong	4	0.4%
27	Australia	4	0.4%
28	Portugal	4	0.4%
29	Sweden	4	0.4%
30	Russia	3	0.3%
31	South Africa	3	0.3%
32	Chile	3	0.3%
33	Egypt	3	0.3%
34	Colombia	3	0.3%
35	Malaysia	3	0.3%
36	Iceland	2	0.2%
37	Cambodia	2	0.2%
38	Austria	2	0.2%
39	Iraq	2	0.2%
40	Philippines	2	0.2%
41	Poland	2	0.2%
42	Viet Nam	2	0.2%
43	Saudi Arabia	1	0.1%
44	Switzerland	1	0.1%
45	Tanzania, United Republic of	1	0.1%
46	Turkey	1	0.1%
47	Ukraine	1	0.1%
48	United Arab Emirates	1	0.1%
49	Bangladesh	1	0.1%
50	Belgium	1	0.1%
51	Malta	1	0.1%
52	Mongolia	1	0.1%
53	Palestine, State of	1	0.1%
54	Nigeria	1	0.1%
55	Norway	1	0.1%
56	Iran, Islamic Republic of	1	0.1%