Rank	Countries/Territories	Count	Percent
1	United States	221	33.7%
2	China	191	29.1%
3	Germany	89	13.6%
4	Netherlands	15	2.3%
5	Korea, Republic of	11	1.7%
6	France	10	1.5%
7	Japan	10	1.5%
8	India	10	1.5%
9		8	1.2%
10	Singapore	8	1.2%
11	Turkey	8	1.2%
12	Cyprus	7	1.1%
13	Belgium	6	0.9%
14	Denmark	5	0.8%
15	Brazil	4	0.6%
16	Oman	4	0.6%
17	Italy	3	0.5%
18	South Africa	3	0.5%
19	Mexico	3	0.5%
20	Nepal	3	0.5%
21	Ukraine	3	0.5%
22	United Kingdom	2	0.3%
23	Thailand	2	0.3%
24	Russia	2	0.3%
25	Spain	2	0.3%
26	Sweden	2	0.3%
27	Switzerland	2	0.3%
28	Canada	2	0.3%
29	Iran, Islamic Republic of	2	0.3%
30	Ethiopia	2	0.3%
31	Algeria	2	0.3%
32	Australia	2	0.3%
33	Bangladesh	2	0.3%
34	Ireland	1	0.2%
35	Israel	1	0.2%
36	Greece	1	0.2%
37	Hungary	1	0.2%
38	Taiwan	1	0.2%
39	Moldova, Republic of	1	0.2%
40	Jamaica	1	0.2%
41	Pakistan	1	0.2%
42	Philippines	1	0.2%
43	Tunisia	1	0.2%