Rank	Countries/Territories	Count	Percent
1	United States	370	46.3%
2	China	138	17.3%
3	Germany	69	8.6%
4	Canada	45	5.6%
5	France	42	5.3%
6	Netherlands	15	1.9%
7	United Kingdom	14	1.8%
8	India	13	1.6%
9	Australia	13	1.6%
10	Denmark	9	1.1%
11	Ireland	9	1.1%
12	Singapore	8	1%
13	Korea, Republic of	6	0.8%
14	Taiwan	6	0.8%
15	Japan	5	0.6%
16	Argentina	4	0.5%
17	Cyprus	4	0.5%
18	Philippines	4	0.5%
19	Mauritius	3	0.4%
20	Switzerland	3	0.4%
21	Poland	2	0.3%
22	Luxembourg	2	0.3%
23	Pakistan	2	0.3%
24	Greece	2	0.3%
25	Italy	2	0.3%
26	Iran, Islamic Republic of	2	0.3%
27	Indonesia	1	0.1%
28	Kenya	1	0.1%
29	Malaysia	1	0.1%
30	Portugal	1	0.1%
31	Sweden	1	0.1%
32	Thailand	1	0.1%
33	Ukraine	1	0.1%