Rank	Countries/Territories	Count	Percent
1	United States	257	38.2%
2	China	144	21.4%
3	Germany	111	16.5%
4	Netherlands	37	5.5%
5	Portugal	18	2.7%
6	Morocco	17	2.5%
7	France	14	2.1%
8	Japan	11	1.6%
9	Canada	6	0.9%
10	United Kingdom	6	0.9%
11	Switzerland	5	0.7%
12	Singapore	4	0.6%
13	Cyprus	4	0.6%
14	Czech Republic	3	0.4%
15	Argentina	3	0.4%
16	Brazil	3	0.4%
17	Spain	3	0.4%
18	India	3	0.4%
19	United Arab Emirates	3	0.4%
20	Romania	2	0.3%
21	Taiwan	2	0.3%
22	Bulgaria	2	0.3%
23	Australia	2	0.3%
24	Belgium	2	0.3%
25	Hong Kong	2	0.3%
26	Korea, Republic of	2	0.3%
27	Malaysia	2	0.3%
28	Mongolia	2	0.3%
29	Kazakhstan	1	0.1%
30	Denmark	1	0.1%
31	Ukraine	1	0.1%