Rank	Countries/Territories	Count	Percent
1	United States	538	52.3%
2	China	90	8.7%
3	Germany	54	5.2%
4	Canada	47	4.6%
5	Japan	38	3.7%
6	India	27	2.6%
7	United Kingdom	23	2.2%
8	Singapore	22	2.1%
9	Korea, Republic of	20	1.9%
10	Brazil	19	1.8%
11	Netherlands	14	1.4%
12	Thailand	12	1.2%
13	Russia	10	1%
14	Australia	10	1%
15	France	7	0.7%
16	Mexico	6	0.6%
17	Philippines	6	0.6%
18	Taiwan	6	0.6%
19	Romania	5	0.5%
20	Ireland	5	0.5%
21	Italy	4	0.4%
22	Cyprus	4	0.4%
23	Bangladesh	4	0.4%
24	Sweden	4	0.4%
25	Spain	3	0.3%
26	Turkey	3	0.3%
27	Ukraine	3	0.3%
28	Slovakia	3	0.3%
29	Ethiopia	3	0.3%
30	Israel	3	0.3%
31	Indonesia	3	0.3%
32	Iran, Islamic Republic of	2	0.2%
33	Nepal	2	0.2%
34	Croatia	2	0.2%
35	Hong Kong	2	0.2%
36	Bahamas	2	0.2%
37	South Africa	2	0.2%
38	Pakistan	2	0.2%
39	United Arab Emirates	2	0.2%
40	Syrian Arab Republic	1	0.1%
41	Palestine, State of	1	0.1%
42	Panama	1	0.1%
43	Portugal	1	0.1%
44	Qatar	1	0.1%
45	Viet Nam	1	0.1%
46	Armenia	1	0.1%
47	Chile	1	0.1%
48	Colombia	1	0.1%
49	Greece	1	0.1%
50	Finland	1	0.1%
51	Morocco	1	0.1%
52	New Zealand	1	0.1%
53	Nicaragua	1	0.1%
54	Nigeria	1	0.1%
55	Kuwait	1	0.1%
56	Kenya	1	0.1%