Rank	Countries/Territories	Count	Percent
1	United States	258	29.9%
2	Germany	114	13.2%
3	India	79	9.1%
4	China	76	8.8%
5	Korea, Republic of	74	8.6%
6	Puerto Rico	24	2.8%
7	Netherlands	22	2.5%
8	Ireland	16	1.9%
9	United Kingdom	13	1.5%
10	Singapore	11	1.3%
11	Indonesia	11	1.3%
12	Canada	11	1.3%
13	Sweden	10	1.2%
14	Taiwan	10	1.2%
15	Romania	8	0.9%
16	Japan	8	0.9%
17	Russia	7	0.8%
18	Nepal	6	0.7%
19	Turkey	6	0.7%
20	Italy	6	0.7%
21	France	6	0.7%
22	Pakistan	5	0.6%
23	Serbia	5	0.6%
24	Malaysia	4	0.5%
25	Hong Kong	4	0.5%
26	Egypt	4	0.5%
27	Croatia	4	0.5%
28	Bulgaria	4	0.5%
29	Australia	4	0.5%
30	Bangladesh	4	0.5%
31	Cyprus	3	0.3%
32	Iran, Islamic Republic of	3	0.3%
33	Jordan	3	0.3%
34	Israel	3	0.3%
35	Spain	3	0.3%
36	Lithuania	3	0.3%
37	Saudi Arabia	3	0.3%
38	Poland	2	0.2%
39	Thailand	2	0.2%
40	Viet Nam	2	0.2%
41	Kuwait	2	0.2%
42	Peru	2	0.2%
43	Iraq	2	0.2%
44	Ethiopia	2	0.2%
45	Finland	2	0.2%
46	Argentina	1	0.1%
47	Brazil	1	0.1%
48	Bahrain	1	0.1%
49	Philippines	1	0.1%
50	Mexico	1	0.1%
51	Myanmar	1	0.1%
52	Greece	1	0.1%
53	Kenya	1	0.1%
54	United Arab Emirates	1	0.1%
55	Trinidad and Tobago	1	0.1%
56	Tunisia	1	0.1%
57	South Africa	1	0.1%
58	Portugal	1	0.1%