Rank	Countries/Territories	Count	Percent
1	United States	502	25.7%
2	China	470	24.1%
3	Germany	117	6%
4	Canada	89	4.6%
5	Italy	89	4.6%
6	Ireland	54	2.8%
7	United Kingdom	49	2.5%
8	Brazil	43	2.2%
9	Netherlands	37	1.9%
10	Russia	37	1.9%
11	France	36	1.8%
12	India	35	1.8%
13	Sweden	34	1.7%
14	Spain	30	1.5%
15	Japan	28	1.4%
16	Australia	24	1.2%
17	Korea, Republic of	21	1.1%
18	Turkey	21	1.1%
19	Norway	16	0.8%
20	Taiwan	15	0.8%
21	Singapore	13	0.7%
22	Mexico	12	0.6%
23	Hungary	11	0.6%
24	Portugal	11	0.6%
25	New Zealand	10	0.5%
26	Saudi Arabia	10	0.5%
27	Poland	10	0.5%
28	Lithuania	9	0.5%
29	Austria	9	0.5%
30	Egypt	9	0.5%
31	Hong Kong	8	0.4%
32	Ukraine	8	0.4%
33	Switzerland	7	0.4%
34	Romania	7	0.4%
35	Iran, Islamic Republic of	7	0.4%
36	Ecuador	6	0.3%
37	Iraq	5	0.3%
38	Indonesia	5	0.3%
39	Cyprus	4	0.2%
40	Pakistan	4	0.2%
41	South Africa	4	0.2%
42	Sri Lanka	3	0.2%
43	Thailand	3	0.2%
44	Belgium	3	0.2%
45	Colombia	3	0.2%
46	Israel	3	0.2%
47	Guam	2	0.1%
48	Macao	2	0.1%
49	Chile	2	0.1%
50	Belarus	2	0.1%
51	United Arab Emirates	2	0.1%
52	Viet Nam	2	0.1%
53	Sudan	2	0.1%
54	Peru	1	0.1%
55	Philippines	1	0.1%
56	Tunisia	1	0.1%
57	Argentina	1	0.1%
58	Denmark	1	0.1%
59	Greece	1	0.1%
60	Libya	1	0.1%