Rank	Countries/Territories	Count	Percent
1	United States	589	44%
2	China	319	23.8%
3	Germany	124	9.3%
4	Canada	91	6.8%
5	France	31	2.3%
6	Russia	15	1.1%
7	Netherlands	15	1.1%
8	Australia	15	1.1%
9	Singapore	10	0.7%
10	Switzerland	10	0.7%
11	Romania	9	0.7%
12	Slovakia	8	0.6%
13	Korea, Republic of	7	0.5%
14	Cyprus	7	0.5%
15	Hong Kong	7	0.5%
16	India	7	0.5%
17	Argentina	5	0.4%
18	Latvia	5	0.4%
19	Italy	5	0.4%
20	Japan	5	0.4%
21	Turkey	5	0.4%
22	Ukraine	5	0.4%
23	United Kingdom	4	0.3%
24	Viet Nam	4	0.3%
25	Oman	4	0.3%
26	Ireland	4	0.3%
27	Czech Republic	3	0.2%
28	Poland	3	0.2%
29	Norway	3	0.2%
30	Malaysia	2	0.1%
31	Denmark	2	0.1%
32	Bangladesh	2	0.1%
33	Brazil	2	0.1%
34	Bulgaria	2	0.1%
35	Iran, Islamic Republic of	2	0.1%
36	Guatemala	2	0.1%
37	Israel	1	0.1%
38	Belgium	1	0.1%
39	Mongolia	1	0.1%
40	Nepal	1	0.1%
41	Jordan	1	0.1%
42	Spain	1	0.1%