Rank	Countries/Territories	Count	Percent
1	United States	357	40.6%
2	China	232	26.4%
3	Germany	65	7.4%
4	Canada	38	4.3%
5	Japan	28	3.2%
6	France	19	2.2%
7	Korea, Republic of	16	1.8%
8	Netherlands	15	1.7%
9	Sweden	15	1.7%
10	United Kingdom	11	1.3%
11	Australia	9	1%
12	India	7	0.8%
13	Ireland	6	0.7%
14	South Africa	6	0.7%
15	Singapore	5	0.6%
16	Egypt	5	0.6%
17	Argentina	5	0.6%
18	Cyprus	4	0.5%
19	Bulgaria	4	0.5%
20	Hong Kong	3	0.3%
21	Portugal	3	0.3%
22	Nigeria	3	0.3%
23	Turkey	3	0.3%
24	Ukraine	3	0.3%
25	Latvia	2	0.2%
26	Israel	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Cambodia	2	0.2%
29	Algeria	2	0.2%
30	Denmark	2	0.2%
31	Albania	1	0.1%
32	Iraq	1	0.1%
33	Hungary	1	0.1%
34	Poland	1	0.1%
35	Switzerland	1	0.1%