Rank	Countries/Territories	Count	Percent
1	United States	311	31.4%
2	China	205	20.7%
3		85	8.6%
4	Germany	67	6.8%
5	India	36	3.6%
6	Saudi Arabia	31	3.1%
7	Puerto Rico	22	2.2%
8	Russia	21	2.1%
9	Turkey	20	2%
10	United Kingdom	14	1.4%
11	Japan	14	1.4%
12	Iran, Islamic Republic of	13	1.3%
13	Canada	13	1.3%
14	Egypt	10	1%
15	Netherlands	10	1%
16	Ireland	10	1%
17	Indonesia	9	0.9%
18	Korea, Republic of	8	0.8%
19	Singapore	8	0.8%
20	Spain	8	0.8%
21	Senegal	7	0.7%
22	Philippines	7	0.7%
23	Argentina	7	0.7%
24	Hong Kong	6	0.6%
25	Iraq	6	0.6%
26	Australia	4	0.4%
27	Brazil	4	0.4%
28	France	4	0.4%
29	Libya	4	0.4%
30	Sweden	4	0.4%
31	Tanzania, United Republic of	4	0.4%
32	Peru	3	0.3%
33	Pakistan	2	0.2%
34	Nigeria	2	0.2%
35	Chile	2	0.2%
36	Jordan	2	0.2%
37	Norway	1	0.1%
38	Mexico	1	0.1%
39	Lebanon	1	0.1%
40	Portugal	1	0.1%
41	Romania	1	0.1%
42	Tunisia	1	0.1%