Rank	Countries/Territories	Count	Percent
1	United States	409	38.8%
2	China	365	34.7%
3	Germany	144	13.7%
4	Netherlands	21	2%
5	Japan	17	1.6%
6	Singapore	14	1.3%
7	Australia	10	0.9%
8	Hong Kong	9	0.9%
9	France	8	0.8%
10	India	7	0.7%
11	Canada	6	0.6%
12	Ukraine	6	0.6%
13	Turkey	4	0.4%
14	Korea, Republic of	4	0.4%
15	Cyprus	4	0.4%
16	Algeria	2	0.2%
17	Bangladesh	2	0.2%
18	Malaysia	2	0.2%
19	Moldova, Republic of	2	0.2%
20	Mongolia	2	0.2%
21	Italy	2	0.2%
22	Peru	2	0.2%
23	South Africa	2	0.2%
24	Spain	2	0.2%
25	Taiwan	1	0.1%
26	Norway	1	0.1%
27	Ireland	1	0.1%
28	Belgium	1	0.1%
29	Brazil	1	0.1%
30	Bulgaria	1	0.1%
31	Argentina	1	0.1%