Rank	Countries/Territories	Count	Percent
1	United States	483	36.6%
2	China	465	35.3%
3	Germany	144	10.9%
4	France	73	5.5%
5	Poland	28	2.1%
6	Japan	19	1.4%
7	Netherlands	17	1.3%
8	Singapore	11	0.8%
9	Australia	11	0.8%
10	Hong Kong	9	0.7%
11	Cyprus	8	0.6%
12	Canada	8	0.6%
13	India	7	0.5%
14	United Kingdom	7	0.5%
15	Sweden	3	0.2%
16	Malaysia	3	0.2%
17	Algeria	3	0.2%
18	Argentina	2	0.2%
19	Finland	2	0.2%
20	Mexico	2	0.2%
21	Mongolia	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Israel	2	0.2%
24	Taiwan	2	0.2%
25	Thailand	2	0.2%
26	Ukraine	1	0.1%
27	Norway	1	0.1%
28	Albania	1	0.1%
29	Belgium	1	0.1%