Rank	Countries/Territories	Count	Percent
1	United States	266	42.5%
2	China	145	23.2%
3	Germany	46	7.3%
4	Canada	20	3.2%
5	Japan	16	2.6%
6	India	15	2.4%
7	Singapore	12	1.9%
8	France	11	1.8%
9	Taiwan	10	1.6%
10	Netherlands	10	1.6%
11	Spain	7	1.1%
12	Russia	7	1.1%
13	Ireland	6	1%
14	Greece	5	0.8%
15	Australia	5	0.8%
16	Egypt	4	0.6%
17	Iran, Islamic Republic of	4	0.6%
18	Mexico	4	0.6%
19	United Kingdom	3	0.5%
20	Korea, Republic of	3	0.5%
21	Lithuania	3	0.5%
22	Cyprus	3	0.5%
23	Belgium	2	0.3%
24	Cambodia	2	0.3%
25	Indonesia	2	0.3%
26	Philippines	2	0.3%
27	Romania	2	0.3%
28	Tunisia	2	0.3%
29	Turkey	2	0.3%
30	Saudi Arabia	1	0.2%
31	New Zealand	1	0.2%
32	Pakistan	1	0.2%
33	Malaysia	1	0.2%
34	Hong Kong	1	0.2%
35	Ghana	1	0.2%
36	Brazil	1	0.2%