Rank	Countries/Territories	Count	Percent
1	United States	258	37.2%
2	China	173	25%
3	Germany	85	12.3%
4	Japan	35	5.1%
5	Canada	22	3.2%
6	France	11	1.6%
7	Netherlands	11	1.6%
8	Austria	9	1.3%
9	Ireland	8	1.2%
10	Korea, Republic of	8	1.2%
11	Romania	8	1.2%
12	Singapore	8	1.2%
13	Italy	7	1%
14	Turkey	5	0.7%
15	Palestine, State of	4	0.6%
16	Mexico	3	0.4%
17	Russia	3	0.4%
18	Indonesia	3	0.4%
19	Iran, Islamic Republic of	3	0.4%
20	Ethiopia	3	0.4%
21	Brazil	3	0.4%
22	Argentina	2	0.3%
23	Denmark	2	0.3%
24	Cyprus	2	0.3%
25	Ukraine	2	0.3%
26	United Kingdom	2	0.3%
27	India	2	0.3%
28	Malaysia	2	0.3%
29	Nicaragua	2	0.3%
30	Norway	1	0.1%
31	Philippines	1	0.1%
32	Poland	1	0.1%
33	Czech Republic	1	0.1%
34	Australia	1	0.1%
35	Greece	1	0.1%
36	Hong Kong	1	0.1%