Rank	Countries/Territories	Count	Percent
1	United States	406	50.2%
2	China	215	26.6%
3	Germany	41	5.1%
4	Japan	30	3.7%
5	Australia	13	1.6%
6	India	12	1.5%
7	Netherlands	10	1.2%
8	Singapore	9	1.1%
9	Korea, Republic of	8	1%
10	France	8	1%
11	Sweden	7	0.9%
12	United Kingdom	7	0.9%
13	Canada	6	0.7%
14	Cyprus	4	0.5%
15	Romania	4	0.5%
16	Saudi Arabia	3	0.4%
17	Belgium	3	0.4%
18	Argentina	2	0.2%
19	Bangladesh	2	0.2%
20	Mauritius	2	0.2%
21	New Zealand	2	0.2%
22	Philippines	2	0.2%
23	Indonesia	2	0.2%
24	Russia	2	0.2%
25	Slovakia	2	0.2%
26	Thailand	2	0.2%
27	Ukraine	1	0.1%
28	Switzerland	1	0.1%
29	Taiwan	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Israel	1	0.1%