Rank	Countries/Territories	Count	Percent
1	United States	461	42%
2	China	296	27%
3	Germany	125	11.4%
4	France	21	1.9%
5	Japan	20	1.8%
6	Singapore	16	1.5%
7	Norway	14	1.3%
8	Ireland	14	1.3%
9	United Kingdom	13	1.2%
10	Spain	12	1.1%
11	Turkey	11	1%
12	Australia	9	0.8%
13	Croatia	8	0.7%
14	Netherlands	8	0.7%
15	Italy	7	0.6%
16	Argentina	7	0.6%
17	Canada	7	0.6%
18	Hong Kong	7	0.6%
19	India	6	0.5%
20	Russia	5	0.5%
21	Taiwan	4	0.4%
22	Cyprus	4	0.4%
23	Iran, Islamic Republic of	2	0.2%
24	Israel	2	0.2%
25	Switzerland	2	0.2%
26	Poland	2	0.2%
27	Portugal	2	0.2%
28	Puerto Rico	2	0.2%
29	Ukraine	2	0.2%
30	Malaysia	1	0.1%
31	Thailand	1	0.1%
32	Serbia	1	0.1%
33	New Zealand	1	0.1%
34	Nigeria	1	0.1%
35	Ecuador	1	0.1%
36	Bahrain	1	0.1%
37	Bangladesh	1	0.1%
38	Belgium	1	0.1%