Rank	Countries/Territories	Count	Percent
1	United States	307	37.8%
2	China	237	29.2%
3	Germany	78	9.6%
4	France	49	6%
5	Japan	19	2.3%
6	Canada	17	2.1%
7	India	16	2%
8	Singapore	10	1.2%
9	Sweden	10	1.2%
10	Switzerland	7	0.9%
11	Ireland	6	0.7%
12	Cyprus	6	0.7%
13	Philippines	5	0.6%
14	Korea, Republic of	5	0.6%
15	Chile	4	0.5%
16	Iran, Islamic Republic of	4	0.5%
17	Kenya	3	0.4%
18	Australia	3	0.4%
19	Netherlands	3	0.4%
20	Spain	3	0.4%
21	Poland	2	0.2%
22	Romania	2	0.2%
23	Moldova, Republic of	2	0.2%
24	Syrian Arab Republic	2	0.2%
25	Thailand	2	0.2%
26	Ethiopia	2	0.2%
27	Cote D'ivoire	2	0.2%
28	Denmark	1	0.1%
29	Italy	1	0.1%
30	Iraq	1	0.1%
31	Hong Kong	1	0.1%
32	Ukraine	1	0.1%
33	Taiwan	1	0.1%