Rank	Countries/Territories	Count	Percent
1	United States	481	49.4%
2	China	227	23.3%
3	Germany	96	9.9%
4	Netherlands	49	5%
5	Switzerland	16	1.6%
6	Singapore	14	1.4%
7	United Kingdom	11	1.1%
8	Japan	9	0.9%
9	France	9	0.9%
10	Cyprus	7	0.7%
11	Korea, Republic of	7	0.7%
12	Malaysia	5	0.5%
13	Australia	5	0.5%
14	Canada	4	0.4%
15	Italy	4	0.4%
16	Ireland	4	0.4%
17	Sweden	3	0.3%
18	Ukraine	3	0.3%
19	Mongolia	2	0.2%
20	Morocco	2	0.2%
21	South Africa	2	0.2%
22	Hong Kong	2	0.2%
23	India	2	0.2%
24	Czech Republic	2	0.2%
25	Egypt	1	0.1%
26	Colombia	1	0.1%
27	Argentina	1	0.1%
28	Bahrain	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Israel	1	0.1%
31	Russia	1	0.1%
32	Taiwan	1	0.1%