Rank	Countries/Territories	Count	Percent
1	United States	428	34.5%
2	China	276	22.2%
3	Germany	102	8.2%
4	Netherlands	81	6.5%
5	France	45	3.6%
6	India	39	3.1%
7	Ireland	34	2.7%
8	United Kingdom	22	1.8%
9		19	1.5%
10	Romania	18	1.4%
11	Japan	17	1.4%
12	Canada	16	1.3%
13	Brazil	15	1.2%
14	Cyprus	11	0.9%
15	Saudi Arabia	11	0.9%
16	Indonesia	10	0.8%
17	Argentina	8	0.6%
18	South Africa	8	0.6%
19	Sweden	7	0.6%
20	Australia	6	0.5%
21	Philippines	6	0.5%
22	Mexico	5	0.4%
23	Korea, Republic of	5	0.4%
24	Hong Kong	5	0.4%
25	Italy	4	0.3%
26	Iraq	3	0.2%
27	Russia	3	0.2%
28	Syrian Arab Republic	3	0.2%
29	Serbia	3	0.2%
30	Singapore	3	0.2%
31	Ukraine	3	0.2%
32	Mongolia	2	0.2%
33	Iran, Islamic Republic of	2	0.2%
34	Israel	2	0.2%
35	Ghana	2	0.2%
36	Bulgaria	2	0.2%
37	Finland	2	0.2%
38	Albania	2	0.2%
39	Denmark	2	0.2%
40	Egypt	1	0.1%
41	Belgium	1	0.1%
42	Libya	1	0.1%
43	Norway	1	0.1%
44	Poland	1	0.1%
45	United Arab Emirates	1	0.1%
46	Slovakia	1	0.1%
47	Thailand	1	0.1%
48	Trinidad and Tobago	1	0.1%
49	Turkey	1	0.1%