Rank	Countries/Territories	Count	Percent
1	United States	535	34.6%
2	China	384	24.9%
3	Germany	126	8.2%
4	Japan	66	4.3%
5		59	3.8%
6	France	51	3.3%
7	Australia	50	3.2%
8	Singapore	30	1.9%
9	United Kingdom	30	1.9%
10	Netherlands	27	1.7%
11	Canada	20	1.3%
12	Korea, Republic of	16	1%
13	Russia	15	1%
14	Italy	11	0.7%
15	India	11	0.7%
16	Israel	9	0.6%
17	Ukraine	8	0.5%
18	Spain	8	0.5%
19	Iran, Islamic Republic of	7	0.5%
20	Cyprus	7	0.5%
21	Argentina	6	0.4%
22	Sweden	6	0.4%
23	Hong Kong	5	0.3%
24	Mongolia	5	0.3%
25	New Zealand	4	0.3%
26	Ireland	4	0.3%
27	Lithuania	4	0.3%
28	Mexico	3	0.2%
29	Austria	3	0.2%
30	Slovakia	3	0.2%
31	Syrian Arab Republic	3	0.2%
32	Taiwan	3	0.2%
33	Switzerland	2	0.1%
34	Viet Nam	2	0.1%
35	Bangladesh	2	0.1%
36	Belgium	2	0.1%
37	Brazil	2	0.1%
38	Chile	2	0.1%
39	Hungary	2	0.1%
40	Iceland	2	0.1%
41	Philippines	2	0.1%
42	Romania	1	0.1%
43	Pakistan	1	0.1%
44	Morocco	1	0.1%
45	Moldova, Republic of	1	0.1%
46	Indonesia	1	0.1%
47	Bulgaria	1	0.1%
48	South Africa	1	0.1%
49	Turkey	1	0.1%