Rank	Countries/Territories	Count	Percent
1	United States	535	31.8%
2	China	482	28.7%
3	Germany	108	6.4%
4	Netherlands	48	2.9%
5	Australia	46	2.7%
6	India	43	2.6%
7	United Kingdom	41	2.4%
8	Canada	33	2%
9	Italy	29	1.7%
10	Brazil	25	1.5%
11	France	19	1.1%
12	Japan	18	1.1%
13	Sweden	18	1.1%
14	Portugal	18	1.1%
15	Romania	16	1%
16	Spain	14	0.8%
17	Iran, Islamic Republic of	14	0.8%
18	Cyprus	12	0.7%
19	South Africa	12	0.7%
20	Ukraine	11	0.7%
21	Norway	11	0.7%
22	Ireland	10	0.6%
23	Korea, Republic of	10	0.6%
24	Indonesia	9	0.5%
25	Mexico	8	0.5%
26	Poland	8	0.5%
27	Nigeria	7	0.4%
28	Hong Kong	7	0.4%
29	Malaysia	6	0.4%
30	Pakistan	6	0.4%
31	Singapore	6	0.4%
32	Taiwan	5	0.3%
33	Czech Republic	5	0.3%
34	Ecuador	4	0.2%
35	Russia	4	0.2%
36	Turkey	3	0.2%
37	Egypt	3	0.2%
38	Finland	3	0.2%
39	Argentina	3	0.2%
40	New Zealand	3	0.2%
41	Iraq	2	0.1%
42	Hungary	2	0.1%
43	Colombia	2	0.1%
44	Denmark	2	0.1%
45	Tanzania, United Republic of	2	0.1%
46	Slovenia	2	0.1%
47	Switzerland	1	0.1%
48	Viet Nam	1	0.1%
49	Ghana	1	0.1%
50	Bahrain	1	0.1%
51	Bangladesh	1	0.1%
52	Belgium	1	0.1%
53	Oman	1	0.1%