Rank	Countries/Territories	Count	Percent
1	United States	271	30.5%
2	China	213	24%
3	Germany	72	8.1%
4	United Kingdom	54	6.1%
5	Netherlands	32	3.6%
6	South Africa	23	2.6%
7	India	22	2.5%
8	Iran, Islamic Republic of	19	2.1%
9	Japan	16	1.8%
10	Australia	14	1.6%
11	Canada	13	1.5%
12	France	13	1.5%
13	Portugal	12	1.3%
14	Jordan	11	1.2%
15	Hungary	10	1.1%
16	Korea, Republic of	8	0.9%
17	Italy	7	0.8%
18	Turkey	7	0.8%
19	Singapore	7	0.8%
20	Saudi Arabia	5	0.6%
21	Ireland	5	0.6%
22	Indonesia	5	0.6%
23	Hong Kong	4	0.4%
24	Romania	4	0.4%
25	Poland	4	0.4%
26	Philippines	3	0.3%
27	Egypt	3	0.3%
28	Cyprus	3	0.3%
29	Denmark	2	0.2%
30	Colombia	2	0.2%
31	Belgium	2	0.2%
32	Estonia	2	0.2%
33	Ghana	2	0.2%
34	Greece	2	0.2%
35	Mexico	2	0.2%
36	Russia	2	0.2%
37	Switzerland	2	0.2%
38	Syrian Arab Republic	1	0.1%
39	Uganda	1	0.1%
40	Ukraine	1	0.1%
41	Spain	1	0.1%
42	Suriname	1	0.1%
43	Qatar	1	0.1%
44	Pakistan	1	0.1%
45	Israel	1	0.1%
46	Macao	1	0.1%
47	Brazil	1	0.1%
48	Argentina	1	0.1%