Rank	Countries/Territories	Count	Percent
1	United States	244	40.8%
2	China	168	28.1%
3	Germany	47	7.9%
4	Netherlands	20	3.3%
5	Turkey	19	3.2%
6	Singapore	17	2.8%
7	Japan	17	2.8%
8	United Kingdom	11	1.8%
9	Cyprus	6	1%
10	Australia	5	0.8%
11	Russia	5	0.8%
12	Lithuania	4	0.7%
13	Bulgaria	3	0.5%
14	South Africa	3	0.5%
15	Taiwan	3	0.5%
16	Italy	2	0.3%
17	Romania	2	0.3%
18	Ukraine	2	0.3%
19	Austria	2	0.3%
20	Bangladesh	2	0.3%
21	Brazil	2	0.3%
22	France	2	0.3%
23	Hong Kong	2	0.3%
24	Indonesia	2	0.3%
25	Iran, Islamic Republic of	1	0.2%
26	Chile	1	0.2%
27	Algeria	1	0.2%
28	Argentina	1	0.2%
29	Armenia	1	0.2%
30	Norway	1	0.2%
31	Thailand	1	0.2%
32	Switzerland	1	0.2%