Rank	Countries/Territories	Count	Percent
1	United States	441	35.3%
2	China	336	26.9%
3	Germany	111	8.9%
4	Croatia	42	3.4%
5	India	38	3%
6	Taiwan	34	2.7%
7	Singapore	30	2.4%
8	Japan	26	2.1%
9	United Kingdom	23	1.8%
10	France	17	1.4%
11	Netherlands	17	1.4%
12	Korea, Republic of	16	1.3%
13	Ireland	11	0.9%
14	Australia	10	0.8%
15	Canada	9	0.7%
16	Romania	9	0.7%
17	Sweden	7	0.6%
18	Senegal	6	0.5%
19	Austria	6	0.5%
20	Cyprus	6	0.5%
21	Hong Kong	5	0.4%
22	Spain	5	0.4%
23	Argentina	4	0.3%
24	Iraq	4	0.3%
25	Russia	3	0.2%
26	Iran, Islamic Republic of	3	0.2%
27	Belgium	3	0.2%
28	Brazil	2	0.2%
29	Cambodia	2	0.2%
30	Egypt	2	0.2%
31	Finland	2	0.2%
32	Indonesia	2	0.2%
33	Portugal	2	0.2%
34	Italy	2	0.2%
35	New Zealand	2	0.2%
36	South Africa	2	0.2%
37	Turkey	2	0.2%
38	Ukraine	1	0.1%
39	Thailand	1	0.1%
40	Palestine, State of	1	0.1%
41	Malaysia	1	0.1%
42	Mongolia	1	0.1%
43	Morocco	1	0.1%
44	Hungary	1	0.1%
45	Ghana	1	0.1%
46	Czech Republic	1	0.1%