Rank	Countries/Territories	Count	Percent
1	United States	269	34.2%
2	China	221	28.1%
3	Germany	115	14.6%
4	Canada	24	3.1%
5	France	24	3.1%
6	Japan	20	2.5%
7	Netherlands	15	1.9%
8	Singapore	14	1.8%
9	India	8	1%
10	Cyprus	7	0.9%
11	Russia	7	0.9%
12	United Kingdom	7	0.9%
13	South Africa	6	0.8%
14	Italy	5	0.6%
15	Mexico	5	0.6%
16	Turkey	4	0.5%
17	Bulgaria	4	0.5%
18	New Zealand	3	0.4%
19	Pakistan	2	0.3%
20	Ireland	2	0.3%
21	Ukraine	2	0.3%
22	Argentina	2	0.3%
23	Ethiopia	2	0.3%
24	Costa Rica	2	0.3%
25	Hong Kong	2	0.3%
26	Kenya	2	0.3%
27	Latvia	2	0.3%
28	Lithuania	2	0.3%
29	Mauritius	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Brazil	1	0.1%
32	Slovenia	1	0.1%
33	Spain	1	0.1%
34	Sweden	1	0.1%
35	Switzerland	1	0.1%
36	Nigeria	1	0.1%