Rank	Countries/Territories	Count	Percent
1	United States	249	38.7%
2	China	139	21.6%
3	Germany	109	16.9%
4	Netherlands	28	4.3%
5	Portugal	18	2.8%
6	Morocco	17	2.6%
7	France	13	2%
8	Japan	11	1.7%
9	Canada	6	0.9%
10	United Kingdom	6	0.9%
11	Singapore	4	0.6%
12	Cyprus	4	0.6%
13	Czech Republic	3	0.5%
14	Argentina	3	0.5%
15	Brazil	3	0.5%
16	Spain	3	0.5%
17	India	3	0.5%
18	United Arab Emirates	3	0.5%
19	Romania	2	0.3%
20	Taiwan	2	0.3%
21	Bulgaria	2	0.3%
22	Australia	2	0.3%
23	Belgium	2	0.3%
24	Hong Kong	2	0.3%
25	Korea, Republic of	2	0.3%
26	Malaysia	2	0.3%
27	Mongolia	2	0.3%
28	Kazakhstan	1	0.2%
29	Denmark	1	0.2%
30	Ukraine	1	0.2%
31	Switzerland	1	0.2%