Rank	Countries/Territories	Count	Percent
1	United States	584	37.5%
2	China	581	37.3%
3	Germany	152	9.8%
4	France	32	2.1%
5	Finland	28	1.8%
6	Japan	22	1.4%
7	Singapore	22	1.4%
8		19	1.2%
9	Australia	17	1.1%
10	Canada	17	1.1%
11	Netherlands	16	1%
12	Russia	8	0.5%
13	Cyprus	8	0.5%
14	Taiwan	6	0.4%
15	Sweden	5	0.3%
16	Korea, Republic of	4	0.3%
17	India	4	0.3%
18	Hong Kong	3	0.2%
19	Argentina	3	0.2%
20	Switzerland	3	0.2%
21	Norway	3	0.2%
22	South Africa	3	0.2%
23	United Kingdom	3	0.2%
24	Viet Nam	2	0.1%
25	Ukraine	2	0.1%
26	Brazil	2	0.1%
27	Denmark	2	0.1%
28	Iran, Islamic Republic of	2	0.1%
29	Ireland	2	0.1%
30	Lithuania	2	0.1%
31	Latvia	1	0.1%