Rank	Countries/Territories	Count	Percent
1	United States	461	38.5%
2	China	337	28.1%
3	Germany	102	8.5%
4	Netherlands	49	4.1%
5	Japan	43	3.6%
6	France	34	2.8%
7	Latvia	32	2.7%
8	Taiwan	29	2.4%
9	Switzerland	13	1.1%
10	United Kingdom	13	1.1%
11	Singapore	9	0.8%
12	India	9	0.8%
13	Cyprus	8	0.7%
14	Greece	5	0.4%
15	Australia	5	0.4%
16	Canada	5	0.4%
17	Italy	5	0.4%
18	Russia	4	0.3%
19	South Africa	4	0.3%
20	United Arab Emirates	4	0.3%
21	Argentina	4	0.3%
22	Hong Kong	4	0.3%
23	Ireland	4	0.3%
24	Iraq	2	0.2%
25	Libya	2	0.2%
26	Mexico	2	0.2%
27	Mongolia	2	0.2%
28	Pakistan	2	0.2%
29	Romania	2	0.2%
30	Korea, Republic of	1	0.1%
31	Norway	1	0.1%
32	Brazil	1	0.1%