Rank	Countries/Territories	Count	Percent
1	United States	419	54.7%
2	China	181	23.6%
3	Germany	54	7%
4	Canada	18	2.3%
5	France	11	1.4%
6	Netherlands	10	1.3%
7	United Kingdom	9	1.2%
8	Japan	9	1.2%
9	Korea, Republic of	9	1.2%
10	India	6	0.8%
11	Portugal	4	0.5%
12	Romania	3	0.4%
13	Indonesia	3	0.4%
14	Argentina	3	0.4%
15	Australia	2	0.3%
16	Belarus	2	0.3%
17	Belize	2	0.3%
18	Cyprus	2	0.3%
19	Hong Kong	2	0.3%
20	Ireland	2	0.3%
21	Israel	2	0.3%
22	Ukraine	2	0.3%
23	Singapore	1	0.1%
24	Spain	1	0.1%
25	Sweden	1	0.1%
26	New Zealand	1	0.1%
27	Philippines	1	0.1%
28	Poland	1	0.1%
29	Malaysia	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Denmark	1	0.1%
32	Brazil	1	0.1%
33	Bahrain	1	0.1%