Rank	Countries/Territories	Count	Percent
1	United States	252	33.5%
2	China	181	24.1%
3	Germany	60	8%
4	India	35	4.7%
5	Mexico	22	2.9%
6	Singapore	15	2%
7	Spain	15	2%
8	Brazil	14	1.9%
9	Netherlands	12	1.6%
10	France	11	1.5%
11	Peru	11	1.5%
12	Italy	11	1.5%
13	Canada	8	1.1%
14	Egypt	8	1.1%
15	Japan	7	0.9%
16	South Africa	7	0.9%
17	Korea, Republic of	4	0.5%
18	Thailand	4	0.5%
19	Venezuela, Bolivarian Republic of	4	0.5%
20	United Kingdom	4	0.5%
21	Ireland	4	0.5%
22	Philippines	4	0.5%
23	Russia	4	0.5%
24	Pakistan	4	0.5%
25	Finland	4	0.5%
26	Ecuador	3	0.4%
27	Kazakhstan	3	0.4%
28	Mongolia	3	0.4%
29	Morocco	3	0.4%
30	Taiwan	3	0.4%
31	Turkey	2	0.3%
32	Ukraine	2	0.3%
33	Sweden	2	0.3%
34	Nepal	2	0.3%
35	Israel	2	0.3%
36	Saudi Arabia	2	0.3%
37	Iraq	2	0.3%
38	Greece	2	0.3%
39	Chile	2	0.3%
40	Cyprus	2	0.3%
41	Czech Republic	2	0.3%
42	Austria	2	0.3%
43	Bangladesh	1	0.1%
44	Algeria	1	0.1%
45	Argentina	1	0.1%
46	Australia	1	0.1%
47	Ethiopia	1	0.1%
48	Panama	1	0.1%
49	Jordan	1	0.1%
50	Switzerland	1	0.1%