Rank	Countries/Territories	Count	Percent
1	United States	534	31%
2	China	451	26.2%
3	Germany	124	7.2%
4	Canada	75	4.4%
5	Japan	59	3.4%
6		52	3%
7	France	35	2%
8	Slovakia	35	2%
9	Russia	21	1.2%
10	India	21	1.2%
11	Sweden	19	1.1%
12	Taiwan	17	1%
13	United Kingdom	16	0.9%
14	Ukraine	15	0.9%
15	Netherlands	15	0.9%
16	Viet Nam	14	0.8%
17	Malaysia	14	0.8%
18	Italy	13	0.8%
19	Morocco	13	0.8%
20	Thailand	12	0.7%
21	Korea, Republic of	12	0.7%
22	Mexico	10	0.6%
23	Australia	10	0.6%
24	Cyprus	10	0.6%
25	Brazil	9	0.5%
26	Turkey	8	0.5%
27	Singapore	8	0.5%
28	Spain	7	0.4%
29	Poland	6	0.3%
30	Portugal	6	0.3%
31	Saudi Arabia	5	0.3%
32	Belgium	5	0.3%
33	Colombia	5	0.3%
34	Hong Kong	5	0.3%
35	Hungary	4	0.2%
36	Bangladesh	4	0.2%
37	Austria	3	0.2%
38	Greece	3	0.2%
39	Indonesia	3	0.2%
40	Iran, Islamic Republic of	3	0.2%
41	Peru	3	0.2%
42	Philippines	2	0.1%
43	Nepal	2	0.1%
44	Slovenia	2	0.1%
45	Switzerland	2	0.1%
46	Uzbekistan	2	0.1%
47	Iraq	2	0.1%
48	Kuwait	2	0.1%
49	Argentina	2	0.1%
50	Chile	2	0.1%
51	Ecuador	2	0.1%
52	Egypt	2	0.1%
53	Finland	2	0.1%
54	Costa Rica	1	0.1%
55	Afghanistan	1	0.1%
56	Albania	1	0.1%
57	Jordan	1	0.1%
58	Ireland	1	0.1%
59	Yemen	1	0.1%
60	Tunisia	1	0.1%
61	South Africa	1	0.1%
62	Puerto Rico	1	0.1%
63	Romania	1	0.1%
64	New Zealand	1	0.1%
65	Norway	1	0.1%
66	Oman	1	0.1%
67	Pakistan	1	0.1%
68	Palestine, State of	1	0.1%