Rank	Countries/Territories	Count	Percent
1	United States	516	42.1%
2	China	425	34.7%
3	Germany	93	7.6%
4	France	28	2.3%
5	Japan	19	1.6%
6	Canada	18	1.5%
7	India	18	1.5%
8	Netherlands	13	1.1%
9	Singapore	12	1%
10	Turkey	10	0.8%
11	Ireland	10	0.8%
12	Cyprus	8	0.7%
13	United Kingdom	8	0.7%
14	Taiwan	6	0.5%
15	Argentina	6	0.5%
16	Australia	5	0.4%
17	Norway	5	0.4%
18	Spain	3	0.2%
19	Hong Kong	3	0.2%
20	Israel	3	0.2%
21	Italy	2	0.2%
22	Lithuania	2	0.2%
23	Malaysia	2	0.2%
24	Mongolia	2	0.2%
25	Russia	2	0.2%
26	Romania	1	0.1%
27	Korea, Republic of	1	0.1%
28	Nepal	1	0.1%
29	Indonesia	1	0.1%
30	Bangladesh	1	0.1%
31	Greece	1	0.1%