Rank	Countries/Territories	Count	Percent
1	United States	421	34.4%
2	China	365	29.8%
3	Germany	167	13.6%
4	Japan	43	3.5%
5	India	39	3.2%
6	France	26	2.1%
7		23	1.9%
8	Tunisia	17	1.4%
9	Italy	13	1.1%
10	United Kingdom	13	1.1%
11	Cyprus	10	0.8%
12	Netherlands	8	0.7%
13	Mexico	7	0.6%
14	Singapore	7	0.6%
15	Canada	7	0.6%
16	Spain	6	0.5%
17	Korea, Republic of	6	0.5%
18	Turkey	5	0.4%
19	Russia	5	0.4%
20	Argentina	5	0.4%
21	Sweden	4	0.3%
22	Malta	4	0.3%
23	Latvia	3	0.2%
24	Australia	3	0.2%
25	Colombia	3	0.2%
26	Brazil	2	0.2%
27	Bulgaria	2	0.2%
28	Indonesia	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Switzerland	2	0.2%
31	Saudi Arabia	1	0.1%
32	Malaysia	1	0.1%
33	Norway	1	0.1%
34	Belgium	1	0.1%