Rank	Countries/Territories	Count	Percent
1	United States	884	31.5%
2	China	508	18.1%
3	Canada	450	16%
4	Germany	221	7.9%
5	Saudi Arabia	125	4.5%
6	France	79	2.8%
7	United Kingdom	76	2.7%
8	Netherlands	58	2.1%
9	Japan	35	1.2%
10	Ireland	32	1.1%
11	Russia	28	1%
12	India	26	0.9%
13	Australia	20	0.7%
14	Iran, Islamic Republic of	18	0.6%
15	Singapore	18	0.6%
16	Italy	16	0.6%
17	Turkey	16	0.6%
18	Brazil	16	0.6%
19	Sweden	14	0.5%
20	Poland	14	0.5%
21	Denmark	13	0.5%
22	Nigeria	12	0.4%
23	Korea, Republic of	11	0.4%
24	Egypt	10	0.4%
25	Hong Kong	7	0.2%
26	Romania	7	0.2%
27	Israel	6	0.2%
28	Finland	5	0.2%
29	Cyprus	5	0.2%
30	Czech Republic	5	0.2%
31	Taiwan	5	0.2%
32	Pakistan	5	0.2%
33	South Africa	4	0.1%
34	Spain	4	0.1%
35	Mauritius	4	0.1%
36	Croatia	4	0.1%
37	Hungary	4	0.1%
38	Iraq	3	0.1%
39	Belgium	3	0.1%
40	Malaysia	3	0.1%
41	New Zealand	3	0.1%
42	Norway	2	0.1%
43	Malta	2	0.1%
44	Tunisia	2	0.1%
45	Ukraine	2	0.1%
46	Switzerland	2	0.1%
47	Viet Nam	2	0.1%
48	Algeria	2	0.1%
49	Colombia	2	0.1%
50	Latvia	2	0.1%
51	Indonesia	2	0.1%
52	Ghana	2	0.1%
53	Kenya	1	0%
54	Bulgaria	1	0%
55	Argentina	1	0%
56	Ethiopia	1	0%
57	Ecuador	1	0%
58	Mongolia	1	0%
59	Sri Lanka	1	0%
60	Portugal	1	0%