Rank	Countries/Territories	Count	Percent
1	United States	375	38.8%
2	China	322	33.3%
3	Germany	113	11.7%
4	France	25	2.6%
5	Canada	23	2.4%
6	India	16	1.7%
7	Japan	8	0.8%
8	Netherlands	8	0.8%
9	United Kingdom	7	0.7%
10	Korea, Republic of	7	0.7%
11	Cyprus	7	0.7%
12	Australia	6	0.6%
13	Ireland	5	0.5%
14	Ukraine	5	0.5%
15	Romania	4	0.4%
16	Egypt	4	0.4%
17	Singapore	3	0.3%
18	Switzerland	2	0.2%
19	Russia	2	0.2%
20	Saudi Arabia	2	0.2%
21	Norway	2	0.2%
22	Philippines	2	0.2%
23	Viet Nam	2	0.2%
24	Colombia	2	0.2%
25	Bangladesh	2	0.2%
26	Bulgaria	2	0.2%
27	Argentina	2	0.2%
28	Ghana	2	0.2%
29	Greece	1	0.1%
30	Jordan	1	0.1%
31	Ethiopia	1	0.1%
32	Sierra Leone	1	0.1%
33	Taiwan	1	0.1%
34	Uganda	1	0.1%