Rank	Countries/Territories	Count	Percent
1	United States	243	32.6%
2	China	139	18.6%
3	Tunisia	129	17.3%
4	Germany	92	12.3%
5	Norway	22	2.9%
6	India	19	2.5%
7	France	18	2.4%
8	Colombia	10	1.3%
9	Netherlands	10	1.3%
10	Russia	6	0.8%
11	Australia	5	0.7%
12	Canada	4	0.5%
13	Cyprus	4	0.5%
14	Japan	4	0.5%
15	Thailand	4	0.5%
16	Turkey	4	0.5%
17	Saudi Arabia	3	0.4%
18	Malaysia	3	0.4%
19	Indonesia	3	0.4%
20	Iran, Islamic Republic of	2	0.3%
21	Nepal	2	0.3%
22	Kenya	2	0.3%
23	Egypt	2	0.3%
24	Ethiopia	2	0.3%
25	Oman	2	0.3%
26	Ukraine	2	0.3%
27	United Kingdom	2	0.3%
28	Palestine, State of	1	0.1%
29	Philippines	1	0.1%
30	Singapore	1	0.1%
31	Switzerland	1	0.1%
32	Bangladesh	1	0.1%
33	Belgium	1	0.1%
34	Macao	1	0.1%
35	Iraq	1	0.1%