Rank	Countries/Territories	Count	Percent
1	United States	374	35.3%
2	China	292	27.6%
3	Germany	128	12.1%
4	Poland	42	4%
5	Singapore	42	4%
6	France	26	2.5%
7	Russia	24	2.3%
8	India	21	2%
9	Ireland	21	2%
10	Japan	13	1.2%
11	Netherlands	12	1.1%
12	Australia	9	0.8%
13	Switzerland	8	0.8%
14	Canada	7	0.7%
15	Korea, Republic of	6	0.6%
16	Hong Kong	4	0.4%
17	Mongolia	3	0.3%
18	Cyprus	3	0.3%
19	Spain	3	0.3%
20	Saudi Arabia	3	0.3%
21	Norway	3	0.3%
22	United Kingdom	3	0.3%
23	Colombia	2	0.2%
24	Argentina	2	0.2%
25	Latvia	2	0.2%
26	Italy	2	0.2%
27	Brazil	1	0.1%
28	Egypt	1	0.1%
29	New Zealand	1	0.1%
30	Turkey	1	0.1%