Rank	Countries/Territories	Count	Percent
1	United States	435	47.2%
2	China	263	28.6%
3	Germany	70	7.6%
4	India	16	1.7%
5	Japan	15	1.6%
6	Canada	13	1.4%
7	Norway	12	1.3%
8	Cyprus	10	1.1%
9		9	1%
10	Korea, Republic of	9	1%
11	France	9	1%
12	Ukraine	9	1%
13	Romania	6	0.7%
14	Pakistan	5	0.5%
15	Netherlands	4	0.4%
16	Singapore	4	0.4%
17	Switzerland	4	0.4%
18	Turkey	3	0.3%
19	United Kingdom	3	0.3%
20	Russia	3	0.3%
21	Australia	3	0.3%
22	Chile	3	0.3%
23	Ireland	2	0.2%
24	Nigeria	2	0.2%
25	Mongolia	2	0.2%
26	Sweden	2	0.2%
27	Spain	1	0.1%
28	Malaysia	1	0.1%
29	Paraguay	1	0.1%
30	Denmark	1	0.1%
31	Brazil	1	0.1%