Rank	Countries/Territories	Count	Percent
1	United States	937	31.4%
2	China	560	18.7%
3	Canada	452	15.1%
4	Germany	243	8.1%
5	Saudi Arabia	125	4.2%
6	France	84	2.8%
7	United Kingdom	81	2.7%
8	Netherlands	59	2%
9	Japan	41	1.4%
10	Ireland	35	1.2%
11	Russia	30	1%
12	India	28	0.9%
13	Singapore	23	0.8%
14	Iran, Islamic Republic of	20	0.7%
15	Australia	20	0.7%
16	Brazil	17	0.6%
17	Italy	16	0.5%
18	Turkey	16	0.5%
19	Sweden	15	0.5%
20	Poland	15	0.5%
21	Denmark	14	0.5%
22	Korea, Republic of	14	0.5%
23	Nigeria	13	0.4%
24	Egypt	11	0.4%
25	Romania	9	0.3%
26	Hong Kong	8	0.3%
27	Israel	6	0.2%
28	Cyprus	6	0.2%
29	Mauritius	6	0.2%
30	Spain	6	0.2%
31	Taiwan	6	0.2%
32	Pakistan	5	0.2%
33	Czech Republic	5	0.2%
34	Finland	5	0.2%
35	Hungary	4	0.1%
36	Croatia	4	0.1%
37	South Africa	4	0.1%
38	Malaysia	3	0.1%
39	New Zealand	3	0.1%
40	Belgium	3	0.1%
41	Iraq	3	0.1%
42	Latvia	2	0.1%
43	Indonesia	2	0.1%
44	Ghana	2	0.1%
45	Algeria	2	0.1%
46	Colombia	2	0.1%
47	Norway	2	0.1%
48	Malta	2	0.1%
49	Tunisia	2	0.1%
50	Ukraine	2	0.1%
51	Switzerland	2	0.1%
52	Viet Nam	2	0.1%
53	Sri Lanka	1	0%
54	Mongolia	1	0%
55	Portugal	1	0%
56	Bulgaria	1	0%
57	Argentina	1	0%
58	Ethiopia	1	0%
59	Ecuador	1	0%
60	Greece	1	0%
61	Jordan	1	0%
62	Kenya	1	0%