Rank	Countries/Territories	Count	Percent
1	United States	309	41.3%
2	China	129	17.2%
3	Germany	67	8.9%
4	Canada	35	4.7%
5	Netherlands	18	2.4%
6	Japan	15	2%
7	Ukraine	13	1.7%
8	South Africa	13	1.7%
9	Switzerland	12	1.6%
10	Korea, Republic of	12	1.6%
11	Australia	12	1.6%
12	India	11	1.5%
13	France	10	1.3%
14	Singapore	9	1.2%
15	Ireland	8	1.1%
16	Colombia	8	1.1%
17	Hong Kong	6	0.8%
18	Spain	6	0.8%
19	United Kingdom	6	0.8%
20	Cyprus	5	0.7%
21	Malaysia	5	0.7%
22	Poland	5	0.7%
23	Jordan	3	0.4%
24	Iran, Islamic Republic of	3	0.4%
25	Thailand	3	0.4%
26	Sweden	2	0.3%
27	Belgium	2	0.3%
28	Algeria	2	0.3%
29	Bulgaria	2	0.3%
30	Kenya	2	0.3%
31	Portugal	2	0.3%
32	Peru	2	0.3%
33	Philippines	1	0.1%
34	Romania	1	0.1%
35	Russia	1	0.1%
36	Israel	1	0.1%
37	Italy	1	0.1%
38	Moldova, Republic of	1	0.1%
39	Lebanon	1	0.1%
40	Chile	1	0.1%
41	Brazil	1	0.1%
42	Bangladesh	1	0.1%
43	Iraq	1	0.1%
44	Indonesia	1	0.1%