Rank	Countries/Territories	Count	Percent
1	United States	253	36.1%
2	China	201	28.7%
3	Germany	47	6.7%
4	Japan	25	3.6%
5	Spain	24	3.4%
6	India	17	2.4%
7	Korea, Republic of	14	2%
8	France	11	1.6%
9	Sri Lanka	11	1.6%
10	Ireland	10	1.4%
11	Canada	8	1.1%
12	Ukraine	7	1%
13	Pakistan	7	1%
14	Cyprus	6	0.9%
15	Australia	5	0.7%
16	Mexico	5	0.7%
17	Netherlands	5	0.7%
18	Thailand	5	0.7%
19	Taiwan	4	0.6%
20	Hong Kong	4	0.6%
21	Egypt	3	0.4%
22	United Arab Emirates	3	0.4%
23	Viet Nam	3	0.4%
24	Tanzania, United Republic of	2	0.3%
25	Portugal	2	0.3%
26	Romania	2	0.3%
27	Iran, Islamic Republic of	2	0.3%
28	Singapore	2	0.3%
29	Brazil	2	0.3%
30	Chile	2	0.3%
31	Dominican Republic	2	0.3%
32	Ecuador	1	0.1%
33	Denmark	1	0.1%
34	Nigeria	1	0.1%
35	South Africa	1	0.1%
36	Russia	1	0.1%
37	Switzerland	1	0.1%
38	United Kingdom	1	0.1%