Rank	Countries/Territories	Count	Percent
1	United States	292	33%
2	China	222	25.1%
3	Germany	43	4.9%
4	Romania	34	3.8%
5	India	20	2.3%
6	Italy	19	2.1%
7	Ireland	17	1.9%
8	Netherlands	16	1.8%
9	United Kingdom	16	1.8%
10	Spain	14	1.6%
11	Canada	13	1.5%
12	Moldova, Republic of	12	1.4%
13	Korea, Republic of	12	1.4%
14	Sweden	12	1.4%
15	France	11	1.2%
16	Czech Republic	11	1.2%
17	Hong Kong	9	1%
18	Japan	9	1%
19	Iran, Islamic Republic of	8	0.9%
20	Belgium	8	0.9%
21	Mexico	7	0.8%
22	Brazil	6	0.7%
23	Australia	6	0.7%
24	Singapore	6	0.7%
25	Thailand	6	0.7%
26	Viet Nam	5	0.6%
27	Austria	5	0.6%
28	Bulgaria	4	0.5%
29	Greece	4	0.5%
30	Taiwan	4	0.5%
31	Turkey	3	0.3%
32	Switzerland	3	0.3%
33	Guatemala	3	0.3%
34	Indonesia	3	0.3%
35	Cyprus	3	0.3%
36	Denmark	2	0.2%
37	Egypt	2	0.2%
38	Poland	2	0.2%
39	Norway	2	0.2%
40	Russia	2	0.2%
41	Saudi Arabia	1	0.1%
42	Pakistan	1	0.1%
43	Philippines	1	0.1%
44	Portugal	1	0.1%
45	Morocco	1	0.1%
46	Malaysia	1	0.1%
47	Hungary	1	0.1%
48	Algeria	1	0.1%