Rank	Countries/Territories	Count	Percent
1	United States	455	47.6%
2	China	166	17.4%
3	Germany	82	8.6%
4	Canada	46	4.8%
5	France	44	4.6%
6	Netherlands	17	1.8%
7	Australia	16	1.7%
8	India	14	1.5%
9	United Kingdom	14	1.5%
10	Ukraine	10	1%
11	Singapore	9	0.9%
12	Ireland	9	0.9%
13	Denmark	9	0.9%
14	Austria	6	0.6%
15	Taiwan	6	0.6%
16	Korea, Republic of	6	0.6%
17	Argentina	5	0.5%
18	Japan	5	0.5%
19	Kenya	5	0.5%
20	Cyprus	4	0.4%
21	Philippines	4	0.4%
22	Mauritius	3	0.3%
23	Switzerland	3	0.3%
24	Iran, Islamic Republic of	2	0.2%
25	Luxembourg	2	0.2%
26	Poland	2	0.2%
27	Pakistan	2	0.2%
28	Italy	2	0.2%
29	Greece	2	0.2%
30	Indonesia	1	0.1%
31	Portugal	1	0.1%
32	Malaysia	1	0.1%
33	Thailand	1	0.1%
34	Sweden	1	0.1%