Rank	Countries/Territories	Count	Percent
1	United States	598	44%
2	China	343	25.2%
3	Germany	183	13.5%
4	Netherlands	46	3.4%
5	Hong Kong	41	3%
6	France	22	1.6%
7	Japan	17	1.3%
8	Bulgaria	13	1%
9	Singapore	11	0.8%
10	Australia	10	0.7%
11	Russia	8	0.6%
12	Canada	7	0.5%
13	Cyprus	7	0.5%
14	Bangladesh	6	0.4%
15	South Africa	5	0.4%
16	Philippines	4	0.3%
17	Thailand	4	0.3%
18	Hungary	4	0.3%
19	Latvia	3	0.2%
20	Romania	3	0.2%
21	United Kingdom	3	0.2%
22	Viet Nam	2	0.1%
23	Saudi Arabia	2	0.1%
24	Portugal	2	0.1%
25	Nigeria	2	0.1%
26	Iran, Islamic Republic of	2	0.1%
27	Brazil	2	0.1%
28	Denmark	2	0.1%
29	Argentina	2	0.1%
30	Lithuania	1	0.1%
31	Mauritius	1	0.1%
32	Switzerland	1	0.1%
33	Taiwan	1	0.1%
34	Turkey	1	0.1%