Rank	Countries/Territories	Count	Percent
1	United States	264	38.3%
2	China	211	30.6%
3	Germany	69	10%
4	France	17	2.5%
5	Japan	15	2.2%
6	Spain	12	1.7%
7	Ireland	10	1.5%
8	India	10	1.5%
9	Singapore	8	1.2%
10	Australia	7	1%
11	Canada	7	1%
12	Cyprus	6	0.9%
13	United Kingdom	5	0.7%
14	Taiwan	5	0.7%
15	Ukraine	4	0.6%
16	Russia	4	0.6%
17	Netherlands	4	0.6%
18	Iran, Islamic Republic of	4	0.6%
19	Hong Kong	3	0.4%
20	United Arab Emirates	3	0.4%
21	Switzerland	3	0.4%
22	New Zealand	2	0.3%
23	Pakistan	2	0.3%
24	Argentina	2	0.3%
25	Belgium	2	0.3%
26	Brazil	2	0.3%
27	Korea, Republic of	2	0.3%
28	Malaysia	1	0.1%
29	Mexico	1	0.1%
30	Romania	1	0.1%
31	Norway	1	0.1%
32	Sweden	1	0.1%
33	Turkey	1	0.1%