Rank	Countries/Territories	Count	Percent
1	United States	951	39.2%
2	China	380	15.6%
3	Germany	183	7.5%
4	Japan	129	5.3%
5	Canada	76	3.1%
6	India	50	2.1%
7	Denmark	49	2%
8	France	47	1.9%
9	Spain	41	1.7%
10	Netherlands	40	1.6%
11	Singapore	36	1.5%
12	Taiwan	33	1.4%
13	United Kingdom	28	1.2%
14	Colombia	26	1.1%
15	Russia	25	1%
16	Czech Republic	23	0.9%
17	Italy	23	0.9%
18	Australia	22	0.9%
19	Brazil	18	0.7%
20	Hong Kong	17	0.7%
21	Korea, Republic of	16	0.7%
22	Ukraine	16	0.7%
23	Pakistan	14	0.6%
24	Ireland	14	0.6%
25	Argentina	13	0.5%
26	Egypt	13	0.5%
27	Norway	11	0.5%
28	Chile	10	0.4%
29	Cyprus	9	0.4%
30	Mexico	9	0.4%
31	Iran, Islamic Republic of	8	0.3%
32	Guatemala	8	0.3%
33	Philippines	8	0.3%
34	Portugal	8	0.3%
35	Poland	5	0.2%
36	Turkey	5	0.2%
37	Viet Nam	5	0.2%
38	Greece	5	0.2%
39	Bangladesh	4	0.2%
40	New Zealand	4	0.2%
41	Malaysia	4	0.2%
42	Romania	4	0.2%
43	Peru	4	0.2%
44	Mongolia	3	0.1%
45	Sweden	3	0.1%
46	Syrian Arab Republic	3	0.1%
47	Lebanon	3	0.1%
48	Hungary	3	0.1%
49	Honduras	3	0.1%
50	Belgium	2	0.1%
51	Israel	2	0.1%
52	Mauritius	2	0.1%
53	Moldova, Republic of	2	0.1%
54	Thailand	2	0.1%
55	Sri Lanka	2	0.1%
56	South Africa	1	0%
57	Tunisia	1	0%
58	Uganda	1	0%
59	Bulgaria	1	0%
60	Grenada	1	0%