Rank	Countries/Territories	Count	Percent
1	United States	529	37.7%
2	China	430	30.6%
3	Germany	130	9.3%
4	Japan	96	6.8%
5		35	2.5%
6	Netherlands	18	1.3%
7	Singapore	17	1.2%
8	France	17	1.2%
9	Canada	16	1.1%
10	Russia	14	1%
11	Spain	13	0.9%
12	Czech Republic	11	0.8%
13	Cyprus	8	0.6%
14	Ukraine	7	0.5%
15	United Kingdom	6	0.4%
16	Korea, Republic of	6	0.4%
17	Belgium	6	0.4%
18	Italy	5	0.4%
19	Ireland	4	0.3%
20	Argentina	4	0.3%
21	Australia	4	0.3%
22	Hong Kong	4	0.3%
23	India	4	0.3%
24	Bangladesh	3	0.2%
25	South Africa	3	0.2%
26	Slovakia	2	0.1%
27	Norway	2	0.1%
28	Luxembourg	2	0.1%
29	Angola	2	0.1%
30	Indonesia	2	0.1%
31	Finland	2	0.1%
32	Denmark	1	0.1%
33	Malaysia	1	0.1%
34	Mongolia	1	0.1%