Rank	Countries/Territories	Count	Percent
1	United States	646	42.7%
2	China	281	18.6%
3	Germany	130	8.6%
4	India	84	5.6%
5	Netherlands	33	2.2%
6	Korea, Republic of	28	1.9%
7	Japan	25	1.7%
8	Kazakhstan	21	1.4%
9	Australia	17	1.1%
10	France	16	1.1%
11	Ireland	14	0.9%
12	Italy	12	0.8%
13	Turkey	11	0.7%
14	Iran, Islamic Republic of	10	0.7%
15	Brazil	10	0.7%
16	Canada	10	0.7%
17	Cote D'ivoire	10	0.7%
18	Singapore	9	0.6%
19	Spain	9	0.6%
20	Romania	8	0.5%
21	Russia	8	0.5%
22	Greece	8	0.5%
23	Hong Kong	7	0.5%
24	Hungary	7	0.5%
25	Malta	7	0.5%
26	Poland	7	0.5%
27	United Kingdom	7	0.5%
28	Argentina	6	0.4%
29	Croatia	5	0.3%
30	Morocco	5	0.3%
31	United Arab Emirates	5	0.3%
32	Taiwan	5	0.3%
33	Slovakia	5	0.3%
34	Sri Lanka	4	0.3%
35	Sweden	4	0.3%
36	Pakistan	4	0.3%
37	Chile	4	0.3%
38	Egypt	3	0.2%
39	Cyprus	3	0.2%
40	Belgium	3	0.2%
41	Bahrain	2	0.1%
42	Bangladesh	2	0.1%
43	Nepal	2	0.1%
44	Iraq	2	0.1%
45	Switzerland	2	0.1%
46	Ukraine	2	0.1%
47	Thailand	1	0.1%
48	Viet Nam	1	0.1%
49	South Africa	1	0.1%
50	Jordan	1	0.1%
51	Lebanon	1	0.1%
52	Lithuania	1	0.1%
53	Mexico	1	0.1%
54	Mongolia	1	0.1%
55	Oman	1	0.1%
56	Denmark	1	0.1%