Rank	Countries/Territories	Count	Percent
1	United States	664	39.5%
2	China	461	27.4%
3	Pakistan	114	6.8%
4	Germany	74	4.4%
5	Korea, Republic of	52	3.1%
6	Norway	48	2.9%
7	Israel	32	1.9%
8	India	27	1.6%
9	Belgium	20	1.2%
10	United Kingdom	20	1.2%
11	Singapore	20	1.2%
12	Japan	19	1.1%
13	Russia	19	1.1%
14	Australia	13	0.8%
15	Canada	10	0.6%
16	France	10	0.6%
17	Netherlands	10	0.6%
18	Romania	9	0.5%
19	Hong Kong	7	0.4%
20	Denmark	5	0.3%
21	Cote D'ivoire	5	0.3%
22	Argentina	4	0.2%
23	Ireland	4	0.2%
24	Iran, Islamic Republic of	3	0.2%
25	Italy	3	0.2%
26	Finland	3	0.2%
27	Egypt	2	0.1%
28	Poland	2	0.1%
29	Portugal	2	0.1%
30	Mongolia	2	0.1%
31	Sweden	2	0.1%
32	Switzerland	2	0.1%
33	Viet Nam	2	0.1%
34	Ukraine	1	0.1%
35	Oman	1	0.1%
36	Jamaica	1	0.1%
37	Luxembourg	1	0.1%
38	Mauritius	1	0.1%
39	Guatemala	1	0.1%
40	Czech Republic	1	0.1%
41	Colombia	1	0.1%
42	Bahrain	1	0.1%
43	Belarus	1	0.1%