Rank	Countries/Territories	Count	Percent
1	United States	589	31.4%
2	China	567	30.3%
3	Germany	121	6.5%
4	Netherlands	49	2.6%
5	Australia	48	2.6%
6	India	45	2.4%
7	United Kingdom	45	2.4%
8	Canada	34	1.8%
9	Italy	30	1.6%
10	Brazil	27	1.4%
11	France	22	1.2%
12	Japan	22	1.2%
13	Portugal	20	1.1%
14	Sweden	19	1%
15	Romania	18	1%
16	Spain	15	0.8%
17	Norway	14	0.7%
18	Iran, Islamic Republic of	14	0.7%
19	Cyprus	13	0.7%
20	South Africa	12	0.6%
21	Ukraine	11	0.6%
22	Indonesia	11	0.6%
23	Korea, Republic of	10	0.5%
24	Ireland	10	0.5%
25	Mexico	8	0.4%
26	Poland	8	0.4%
27	Russia	8	0.4%
28	Nigeria	7	0.4%
29	Hong Kong	7	0.4%
30	Malaysia	6	0.3%
31	Singapore	6	0.3%
32	Pakistan	6	0.3%
33	Turkey	5	0.3%
34	Taiwan	5	0.3%
35	Czech Republic	5	0.3%
36	Ecuador	4	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	Oman	1	0.1%
48	Switzerland	1	0.1%
49	Viet Nam	1	0.1%
50	Ghana	1	0.1%
51	Bahrain	1	0.1%
52	Bangladesh	1	0.1%
53	Belgium	1	0.1%
54	Latvia	1	0.1%