Rank	Countries/Territories	Count	Percent
1	United States	419	30.8%
2	China	310	22.8%
3	Germany	82	6%
4	United Kingdom	50	3.7%
5	Japan	38	2.8%
6	Ireland	29	2.1%
7	Netherlands	27	2%
8	Spain	27	2%
9	Israel	24	1.8%
10	Sweden	23	1.7%
11	Brazil	22	1.6%
12	Mexico	20	1.5%
13	Australia	19	1.4%
14	Canada	19	1.4%
15	Poland	17	1.2%
16	Hong Kong	15	1.1%
17	Hungary	15	1.1%
18	Cuba	14	1%
19	Italy	14	1%
20	India	14	1%
21	France	14	1%
22	Singapore	13	1%
23	Korea, Republic of	12	0.9%
24	Taiwan	11	0.8%
25	Turkey	10	0.7%
26	Russia	10	0.7%
27	Belgium	10	0.7%
28	Morocco	9	0.7%
29	Greece	8	0.6%
30	Cyprus	7	0.5%
31	Czech Republic	6	0.4%
32	Saudi Arabia	6	0.4%
33	Romania	4	0.3%
34	Ecuador	4	0.3%
35	Lithuania	4	0.3%
36	Iran, Islamic Republic of	3	0.2%
37	Iraq	3	0.2%
38	South Africa	3	0.2%
39	Ukraine	2	0.1%
40	United Arab Emirates	2	0.1%
41	Portugal	2	0.1%
42	Indonesia	2	0.1%
43	Malaysia	2	0.1%
44	Bulgaria	2	0.1%
45	Algeria	2	0.1%
46	Colombia	2	0.1%
47	Iceland	1	0.1%
48	Mongolia	1	0.1%
49	New Zealand	1	0.1%
50	Norway	1	0.1%
51	Paraguay	1	0.1%
52	Kazakhstan	1	0.1%
53	Puerto Rico	1	0.1%
54	Slovakia	1	0.1%
55	Switzerland	1	0.1%