Rank	Countries/Territories	Count	Percent
1	China	404	36%
2	United States	370	33%
3	Germany	126	11.2%
4	Singapore	39	3.5%
5	Netherlands	28	2.5%
6	Bulgaria	24	2.1%
7	India	14	1.2%
8	France	14	1.2%
9	Japan	12	1.1%
10	Taiwan	12	1.1%
11	United Kingdom	11	1%
12	Canada	10	0.9%
13	Argentina	8	0.7%
14	Australia	6	0.5%
15	Cyprus	6	0.5%
16	Hong Kong	6	0.5%
17	Iran, Islamic Republic of	4	0.4%
18	Turkey	4	0.4%
19	Mexico	4	0.4%
20	South Africa	3	0.3%
21	Philippines	2	0.2%
22	Ireland	2	0.2%
23	Malaysia	2	0.2%
24	Chile	2	0.2%
25	Austria	1	0.1%
26	Bangladesh	1	0.1%
27	Lithuania	1	0.1%
28	Russia	1	0.1%
29	Spain	1	0.1%
30	Mongolia	1	0.1%
31	Morocco	1	0.1%
32	Nigeria	1	0.1%
33	Tanzania, United Republic of	1	0.1%