Rank	Countries/Territories	Count	Percent
1	United States	591	37.1%
2	China	385	24.1%
3	Germany	74	4.6%
4	India	60	3.8%
5	Italy	45	2.8%
6	Russia	37	2.3%
7	Turkey	33	2.1%
8	Switzerland	30	1.9%
9	United Kingdom	28	1.8%
10	Japan	26	1.6%
11	Ireland	22	1.4%
12	Canada	21	1.3%
13	Brazil	18	1.1%
14	Hong Kong	17	1.1%
15	Sweden	17	1.1%
16	Australia	16	1%
17	Netherlands	16	1%
18	Latvia	14	0.9%
19	Poland	12	0.8%
20	Mexico	11	0.7%
21	Korea, Republic of	10	0.6%
22	France	10	0.6%
23	Spain	10	0.6%
24	Romania	8	0.5%
25	Greece	8	0.5%
26	Morocco	8	0.5%
27	Cote D'ivoire	7	0.4%
28	Taiwan	7	0.4%
29	Denmark	6	0.4%
30	Portugal	6	0.4%
31	Slovakia	5	0.3%
32	Pakistan	4	0.3%
33	Israel	4	0.3%
34	Iran, Islamic Republic of	4	0.3%
35	Hungary	4	0.3%
36	Ukraine	3	0.2%
37	Egypt	2	0.1%
38	Austria	2	0.1%
39	Albania	2	0.1%
40	New Zealand	2	0.1%
41	Nigeria	2	0.1%
42	Norway	1	0.1%
43	Mongolia	1	0.1%
44	Cyprus	1	0.1%
45	Colombia	1	0.1%
46	Viet Nam	1	0.1%
47	South Africa	1	0.1%
48	Singapore	1	0.1%
49	Thailand	1	0.1%