Rank	Countries/Territories	Count	Percent
1	United States	296	27.6%
2	China	158	14.7%
3	Germany	114	10.6%
4	Netherlands	62	5.8%
5	France	60	5.6%
6	Canada	60	5.6%
7	United Kingdom	54	5%
8	Australia	29	2.7%
9	India	29	2.7%
10	Switzerland	26	2.4%
11	Spain	22	2.1%
12	Italy	18	1.7%
13	Israel	14	1.3%
14	Brazil	14	1.3%
15	Poland	13	1.2%
16	Iran, Islamic Republic of	10	0.9%
17	Ireland	8	0.7%
18	Japan	7	0.7%
19	Portugal	5	0.5%
20	Greece	5	0.5%
21	Estonia	5	0.5%
22	Slovenia	5	0.5%
23	South Africa	5	0.5%
24	Turkey	5	0.5%
25	Colombia	4	0.4%
26	Russia	4	0.4%
27	New Zealand	4	0.4%
28	Singapore	3	0.3%
29	Pakistan	3	0.3%
30	Philippines	3	0.3%
31	Cyprus	3	0.3%
32	Hungary	3	0.3%
33	Finland	2	0.2%
34	Hong Kong	2	0.2%
35	Denmark	2	0.2%
36	Norway	2	0.2%
37	Romania	2	0.2%
38	Ukraine	2	0.2%
39	Sweden	1	0.1%
40	Nigeria	1	0.1%
41	Korea, Republic of	1	0.1%
42	Malta	1	0.1%
43	Mexico	1	0.1%
44	Egypt	1	0.1%
45	Bangladesh	1	0.1%
46	Belgium	1	0.1%
47	Indonesia	1	0.1%