Rank	Countries/Territories	Count	Percent
1	United States	214	31.9%
2	China	119	17.8%
3	Germany	41	6.1%
4	India	35	5.2%
5	Netherlands	27	4%
6	Australia	25	3.7%
7	Russia	20	3%
8	France	18	2.7%
9	Saudi Arabia	17	2.5%
10	Canada	16	2.4%
11	Ireland	14	2.1%
12	United Kingdom	13	1.9%
13	Singapore	10	1.5%
14	Japan	7	1%
15	Korea, Republic of	7	1%
16	Bulgaria	6	0.9%
17	Cyprus	5	0.7%
18	Indonesia	5	0.7%
19	Norway	5	0.7%
20	South Africa	5	0.7%
21	Turkey	4	0.6%
22	Philippines	4	0.6%
23	Italy	4	0.6%
24	Nepal	3	0.4%
25	Mexico	3	0.4%
26	Poland	3	0.4%
27	Belgium	3	0.4%
28	Switzerland	3	0.4%
29	Ukraine	2	0.3%
30	Zambia	2	0.3%
31	Brazil	2	0.3%
32	Ghana	2	0.3%
33	Hong Kong	2	0.3%
34	Georgia	2	0.3%
35	Romania	2	0.3%
36	Libya	2	0.3%
37	Malaysia	2	0.3%
38	Kenya	2	0.3%
39	Israel	2	0.3%
40	Lebanon	1	0.1%
41	Pakistan	1	0.1%
42	Mongolia	1	0.1%
43	Morocco	1	0.1%
44	Czech Republic	1	0.1%
45	Egypt	1	0.1%
46	Bangladesh	1	0.1%
47	Colombia	1	0.1%
48	Viet Nam	1	0.1%
49	Uganda	1	0.1%
50	Tanzania, United Republic of	1	0.1%
51	Thailand	1	0.1%