Rank	Countries/Territories	Count	Percent
1	United States	534	45.9%
2	China	207	17.8%
3	Germany	152	13.1%
4	India	59	5.1%
5	France	31	2.7%
6	Netherlands	22	1.9%
7	Japan	18	1.5%
8	Canada	12	1%
9	Ireland	11	0.9%
10	Singapore	11	0.9%
11	United Kingdom	11	0.9%
12	Italy	10	0.9%
13	Korea, Republic of	10	0.9%
14	Australia	9	0.8%
15	Cyprus	8	0.7%
16	Cuba	5	0.4%
17	Russia	5	0.4%
18	Serbia	5	0.4%
19	Mongolia	4	0.3%
20	Turkey	4	0.3%
21	Taiwan	4	0.3%
22	Indonesia	4	0.3%
23	Mexico	3	0.3%
24	New Zealand	2	0.2%
25	Peru	2	0.2%
26	Philippines	2	0.2%
27	Poland	2	0.2%
28	Romania	2	0.2%
29	Switzerland	2	0.2%
30	Ukraine	2	0.2%
31	Iraq	2	0.2%
32	Guatemala	2	0.2%
33	Hong Kong	2	0.2%
34	Hungary	1	0.1%
35	Brazil	1	0.1%
36	Mauritius	1	0.1%
37	Tunisia	1	0.1%