Rank	Countries/Territories	Count	Percent
1	United States	253	36.5%
2	China	152	21.9%
3	Germany	88	12.7%
4	Tunisia	37	5.3%
5	Ireland	22	3.2%
6	Japan	21	3%
7	Netherlands	18	2.6%
8	Korea, Republic of	17	2.4%
9	Hong Kong	9	1.3%
10	France	8	1.2%
11	Turkey	8	1.2%
12	India	7	1%
13	Singapore	6	0.9%
14	Palestine, State of	5	0.7%
15	Brazil	4	0.6%
16	Canada	4	0.6%
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	Iran, Islamic Republic of	2	0.3%
23	Russia	2	0.3%
24	Czech Republic	2	0.3%
25	Australia	2	0.3%
26	Austria	2	0.3%
27	Bangladesh	2	0.3%
28	Italy	2	0.3%
29	Argentina	1	0.1%
30	Indonesia	1	0.1%
31	Peru	1	0.1%
32	Romania	1	0.1%
33	Spain	1	0.1%
34	Sweden	1	0.1%