Rank	Countries/Territories	Count	Percent
1	United States	551	31.8%
2	China	465	26.8%
3	Germany	96	5.5%
4	Korea, Republic of	66	3.8%
5	Singapore	56	3.2%
6	Russia	49	2.8%
7	Hong Kong	35	2%
8	Portugal	32	1.8%
9	Japan	31	1.8%
10	Poland	29	1.7%
11	India	28	1.6%
12	Italy	27	1.6%
13	Spain	26	1.5%
14	France	24	1.4%
15	Romania	21	1.2%
16	United Kingdom	18	1%
17	Netherlands	17	1%
18	Czech Republic	16	0.9%
19	Australia	13	0.8%
20	Iran, Islamic Republic of	12	0.7%
21	Taiwan	11	0.6%
22	Brazil	10	0.6%
23	Ecuador	10	0.6%
24	New Zealand	8	0.5%
25	Ireland	7	0.4%
26	Canada	7	0.4%
27	Cyprus	7	0.4%
28	Peru	7	0.4%
29	Thailand	6	0.3%
30	Greece	5	0.3%
31	Hungary	4	0.2%
32	Bangladesh	4	0.2%
33	Belgium	4	0.2%
34	Indonesia	3	0.2%
35	Pakistan	3	0.2%
36	Belarus	3	0.2%
37	Turkey	3	0.2%
38	Ukraine	2	0.1%
39	Viet Nam	2	0.1%
40	Estonia	2	0.1%
41	Georgia	2	0.1%
42	Austria	1	0.1%
43	Norway	1	0.1%
44	Lebanon	1	0.1%
45	Luxembourg	1	0.1%
46	Malaysia	1	0.1%
47	Mexico	1	0.1%
48	Mongolia	1	0.1%
49	Iraq	1	0.1%
50	Israel	1	0.1%
51	Switzerland	1	0.1%
52	Slovakia	1	0.1%