Rank	Countries/Territories	Count	Percent
1	United States	299	37.7%
2	China	184	23.2%
3	Germany	94	11.8%
4	Tunisia	38	4.8%
5	Ireland	25	3.1%
6	Japan	21	2.6%
7	Netherlands	21	2.6%
8	Korea, Republic of	17	2.1%
9	India	10	1.3%
10	Hong Kong	9	1.1%
11	France	8	1%
12	Turkey	8	1%
13	Singapore	6	0.8%
14	Brazil	6	0.8%
15	Palestine, State of	5	0.6%
16	Canada	4	0.5%
17	Colombia	3	0.4%
18	Cyprus	3	0.4%
19	Switzerland	3	0.4%
20	Taiwan	3	0.4%
21	United Kingdom	3	0.4%
22	Sweden	2	0.3%
23	Iran, Islamic Republic of	2	0.3%
24	Russia	2	0.3%
25	Pakistan	2	0.3%
26	Czech Republic	2	0.3%
27	Australia	2	0.3%
28	Austria	2	0.3%
29	Bangladesh	2	0.3%
30	Italy	2	0.3%
31	Indonesia	1	0.1%
32	Argentina	1	0.1%
33	Egypt	1	0.1%
34	Peru	1	0.1%
35	Romania	1	0.1%
36	Spain	1	0.1%