Rank	Countries/Territories	Count	Percent
1	United States	496	37%
2	China	411	30.6%
3	Germany	128	9.5%
4	Japan	96	7.2%
5		35	2.6%
6	Netherlands	17	1.3%
7	France	17	1.3%
8	Singapore	17	1.3%
9	Canada	15	1.1%
10	Russia	14	1%
11	Spain	13	1%
12	Czech Republic	11	0.8%
13	Cyprus	8	0.6%
14	Ukraine	7	0.5%
15	Korea, Republic of	6	0.4%
16	Belgium	6	0.4%
17	Argentina	4	0.3%
18	Australia	4	0.3%
19	Ireland	4	0.3%
20	Italy	4	0.3%
21	Hong Kong	4	0.3%
22	India	4	0.3%
23	Bangladesh	3	0.2%
24	South Africa	3	0.2%
25	United Kingdom	2	0.1%
26	Slovakia	2	0.1%
27	Luxembourg	2	0.1%
28	Norway	2	0.1%
29	Angola	2	0.1%
30	Indonesia	2	0.1%
31	Denmark	1	0.1%
32	Malaysia	1	0.1%
33	Mongolia	1	0.1%