Rank	Countries/Territories	Count	Percent
1	United States	168	34.7%
2	China	129	26.7%
3	Germany	33	6.8%
4	Canada	17	3.5%
5	Netherlands	17	3.5%
6	United Kingdom	14	2.9%
7	Taiwan	11	2.3%
8	Singapore	10	2.1%
9	France	9	1.9%
10	Japan	9	1.9%
11	India	7	1.4%
12	Poland	6	1.2%
13	United Arab Emirates	6	1.2%
14	Belgium	5	1%
15	Brazil	5	1%
16	Ecuador	5	1%
17	Hong Kong	3	0.6%
18	Switzerland	3	0.6%
19	Italy	3	0.6%
20	Palestine, State of	3	0.6%
21	Romania	2	0.4%
22	Spain	2	0.4%
23	Sweden	2	0.4%
24	Iran, Islamic Republic of	2	0.4%
25	Jordan	2	0.4%
26	Egypt	2	0.4%
27	Australia	2	0.4%
28	Cyprus	1	0.2%
29	Korea, Republic of	1	0.2%
30	Kyrgyzstan	1	0.2%
31	Malaysia	1	0.2%
32	Malta	1	0.2%
33	Turkey	1	0.2%
34	Ukraine	1	0.2%