Rank	Countries/Territories	Count	Percent
1	United States	239	40.6%
2	China	153	26%
3	Germany	42	7.1%
4	Switzerland	18	3.1%
5	Netherlands	17	2.9%
6	Singapore	16	2.7%
7	Japan	13	2.2%
8	France	13	2.2%
9	India	12	2%
10		10	1.7%
11	Canada	9	1.5%
12	United Kingdom	7	1.2%
13	Brazil	4	0.7%
14	Cyprus	3	0.5%
15	Denmark	3	0.5%
16	Ireland	3	0.5%
17	Spain	3	0.5%
18	Turkey	2	0.3%
19	Mexico	2	0.3%
20	Norway	2	0.3%
21	Indonesia	2	0.3%
22	Belgium	2	0.3%
23	Hong Kong	2	0.3%
24	Egypt	2	0.3%
25	Bulgaria	2	0.3%
26	Argentina	2	0.3%
27	Australia	1	0.2%
28	Portugal	1	0.2%
29	Russia	1	0.2%
30	Slovakia	1	0.2%
31	Ukraine	1	0.2%
32	Sweden	1	0.2%