Rank	Countries/Territories	Count	Percent
1	United States	874	37.1%
2	China	494	21%
3	Germany	220	9.3%
4	Saudi Arabia	125	5.3%
5	France	79	3.4%
6	United Kingdom	75	3.2%
7	Netherlands	57	2.4%
8	Canada	34	1.4%
9	Japan	33	1.4%
10	Ireland	31	1.3%
11	Russia	28	1.2%
12	India	26	1.1%
13	Australia	20	0.8%
14	Iran, Islamic Republic of	18	0.8%
15	Singapore	18	0.8%
16	Italy	16	0.7%
17	Turkey	16	0.7%
18	Brazil	16	0.7%
19	Sweden	14	0.6%
20	Poland	14	0.6%
21	Nigeria	12	0.5%
22	Denmark	11	0.5%
23	Korea, Republic of	11	0.5%
24	Egypt	10	0.4%
25	Hong Kong	7	0.3%
26	Romania	7	0.3%
27	Taiwan	5	0.2%
28	Pakistan	5	0.2%
29	Finland	5	0.2%
30	Israel	5	0.2%
31	Cyprus	5	0.2%
32	Czech Republic	5	0.2%
33	Croatia	4	0.2%
34	Hungary	4	0.2%
35	South Africa	4	0.2%
36	Spain	4	0.2%
37	Malaysia	3	0.1%
38	Iraq	3	0.1%
39	Belgium	3	0.1%
40	Algeria	2	0.1%
41	Colombia	2	0.1%
42	Latvia	2	0.1%
43	Indonesia	2	0.1%
44	Ghana	2	0.1%
45	Malta	2	0.1%
46	Mauritius	2	0.1%
47	Norway	2	0.1%
48	New Zealand	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	Mongolia	1	0%
54	Sri Lanka	1	0%
55	Portugal	1	0%
56	Kenya	1	0%
57	Bulgaria	1	0%
58	Argentina	1	0%
59	Ethiopia	1	0%
60	Ecuador	1	0%