Rank	Countries/Territories	Count	Percent
1	United States	687	45.3%
2	China	287	18.9%
3	Germany	136	9%
4	Netherlands	67	4.4%
5	United Kingdom	42	2.8%
6	France	26	1.7%
7	Australia	24	1.6%
8	Turkey	22	1.5%
9	Iran, Islamic Republic of	20	1.3%
10	India	18	1.2%
11	Indonesia	17	1.1%
12	Japan	16	1.1%
13	Canada	15	1%
14	Argentina	10	0.7%
15	Thailand	10	0.7%
16	Sweden	9	0.6%
17	Hong Kong	9	0.6%
18	South Africa	9	0.6%
19	Philippines	7	0.5%
20	Nigeria	7	0.5%
21	Ukraine	7	0.5%
22	Korea, Republic of	6	0.4%
23	Singapore	5	0.3%
24	Ireland	5	0.3%
25	Finland	4	0.3%
26	Belgium	4	0.3%
27	Brazil	4	0.3%
28	Cyprus	4	0.3%
29	Spain	4	0.3%
30	Latvia	4	0.3%
31	Mexico	4	0.3%
32	Pakistan	3	0.2%
33	Egypt	3	0.2%
34	Czech Republic	2	0.1%
35	Chile	2	0.1%
36	Lithuania	2	0.1%
37	Malaysia	2	0.1%
38	Poland	2	0.1%
39	Portugal	2	0.1%
40	Russia	2	0.1%
41	Viet Nam	2	0.1%
42	Switzerland	1	0.1%
43	Taiwan	1	0.1%
44	Mongolia	1	0.1%
45	Ethiopia	1	0.1%