Rank	Countries/Territories	Count	Percent
1	United States	314	46.4%
2	China	124	18.3%
3	Germany	79	11.7%
4	France	38	5.6%
5	Canada	15	2.2%
6	Korea, Republic of	14	2.1%
7	Japan	12	1.8%
8	Russia	11	1.6%
9	Netherlands	11	1.6%
10	Sweden	11	1.6%
11	India	7	1%
12	Ireland	4	0.6%
13	Morocco	4	0.6%
14	Congo, The Democratic Republic of The	4	0.6%
15	Cyprus	3	0.4%
16	Indonesia	3	0.4%
17	Ghana	3	0.4%
18	Poland	3	0.4%
19	Portugal	2	0.3%
20	New Zealand	2	0.3%
21	Switzerland	2	0.3%
22	Singapore	2	0.3%
23	Egypt	2	0.3%
24	Algeria	1	0.1%
25	Bangladesh	1	0.1%
26	Iraq	1	0.1%
27	South Africa	1	0.1%
28	Turkey	1	0.1%
29	United Kingdom	1	0.1%