Rank	Countries/Territories	Count	Percent
1	United States	585	44%
2	China	298	22.4%
3	Germany	103	7.7%
4	United Kingdom	32	2.4%
5	Japan	31	2.3%
6	India	27	2%
7	France	27	2%
8	Australia	24	1.8%
9	Netherlands	21	1.6%
10	Canada	20	1.5%
11	Turkey	18	1.4%
12	Ireland	13	1%
13	Italy	12	0.9%
14	Switzerland	12	0.9%
15	Singapore	8	0.6%
16	Peru	8	0.6%
17	South Africa	7	0.5%
18	Russia	7	0.5%
19	Iran, Islamic Republic of	7	0.5%
20	Egypt	7	0.5%
21	Colombia	6	0.5%
22	Hong Kong	6	0.5%
23	Brazil	5	0.4%
24	Indonesia	4	0.3%
25	Mexico	4	0.3%
26	Thailand	4	0.3%
27	Romania	4	0.3%
28	Korea, Republic of	4	0.3%
29	Malaysia	3	0.2%
30	Tanzania, United Republic of	3	0.2%
31	Spain	3	0.2%
32	Chile	3	0.2%
33	Cyprus	3	0.2%
34	Viet Nam	3	0.2%
35	Israel	2	0.2%
36	Taiwan	2	0.2%
37	Libya	2	0.2%
38	Norway	1	0.1%
39	Argentina	1	0.1%
40	Ukraine	1	0.1%